Sea level stood perhaps as high throughout the Cretaceous Period as at any other time during the Phanerozoic.
Phanerozoic is a geological eon that began approximately 541 million years ago and continues to the present day. It is characterized by a rich fossil record, abundant biodiversity, and the rise of complex life forms. The eon is divided into three major eras: the Paleozoic, Mesozoic, and Cenozoic.
During the Paleozoic era, life underwent remarkable diversification, with the emergence of multicellular organisms, the colonization of land by plants and animals, and the eventual development of complex marine ecosystems. This era also witnessed the rise and fall of various ancient life forms, including trilobites, brachiopods, and early reptiles.
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Describe the two processes by which sediments are transformed into sedimentary rocks. which is the more effective process in the lithification of sand- and gravel-sized sediments?
Answer:
1. Compaction occurs where pressure is placed on loosely packed sediment. The volume of the sediment is reduced and water is squeezed out.
2. Cementation occurs when mineral-bearing water circulates among the grains, hardens, and cements the sediment grains together. This process is most effective when lithifying sand and gravel-sized sediments.
Explanation:
Compared to other types of fronts, the weather associated with a cold front usually:_______
a. covers a larger area
b. is less predictable.
c. is of shorter duration
d. does not bring severe weather
The correct answer is option C. Compared to other types of fronts, the weather associated with a cold front usually is of shorter duration.
Option A is not the correct answer because cold front covers less area than other fronts. Option B is not the correct answer because usually cold fronts can be easily predicted. Option D is not the right choice because cold front brings very severe weather along with it.
A characteristic feature of a cold front is a thin band of precipitation that follows along its leading edge. These bands of precipitation are frequently highly powerful and have the potential to produce tornadoes, severe thunderstorms, hailstorms, and snow squalls.
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The 2005 Atlantic hurricane season broke many all-time records, including all but which of the following
Which gas in the atmosphere is vital to virtually all life that exists on earth?
The majority of species require oxygen to survive
What is not a stated goal or guiding principle of asean?
Answer:
The Treaty of Amity and Cooperation (TAC) in Southeast Asia, signed at the First ASEAN Summit on 24 February 1976, declared that in their relations with one another, the High Contracting Parties should be guided by the following fundamental principles:
Mutual respect for the independence, sovereignty, equality, territorial integrity, and national identity of all nations
The right of every State to lead its national existence free from external interference, subversion, or coercion
Non-interference in the internal affairs of one another
Settlement of differences or disputes by peaceful manner
Renunciation of the threat or use of force
Effective cooperation among themselves. it might be helpful
A runaway greenhouse effect is an example of?
Answer:
carbon dioxide and water vapor
Explanation:
What sources of data are used by demographers?
Answer:
Censuses, surveys and administrative records.
Explanation:
What else can happen in an area when excessive groundwater is removed from the aquifer?
if excessive groundwater is removed from the aquifer, it can drop the groundwater table and make it impossible for wells to access groundwater.
Due to this, the soil begins to sag, jeopardising nearby structures and town infrastructure. The core structure of the soil is impacted by the decreasing water level, leading to several problems such pipe damage, sinkholes, and cracked home walls.
Over-pumping causes problems with corrosion, incrustation, and biofouling that add to depleting the groundwater aquifer (or source). Over pumping also accelerates the movement of silt particles into the well, resulting in clogging of the perforated area where water enters the well.
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The oldest undisputed rock found to date is the Acasta gneiss from the Northwest Territories in Canada. The oldest rock of the Acasta gneiss dates back to which eon?
Answer:
The oldest rock of the Acasta Gneiss dates back to the Hadean eon
Explanation:
Osha requires fall protection when working near the edge of a trench or excavation that is:______.
Osha requires fall protection when working near the edge of a trench or excavation that is 6 feet (1.8 m) or more in depth.
What is meant by OSHA?
The acronym called OSHA is used to refer to the e Occupational Safety and Health Act of 1970. This act was passed in the United States by the congress of the nation.
Now the goal of this act is to ensure that there is a safe and healthy workplace for the workers in the nation. This would help by setting the standards in the country such as provision for training, enforcing standards and also making outreaches and programs.
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Earth's ______ is divided into ______ tectonic plates.
Answer: Earths litosphere, or crust, is divided into 7 major and 8 minor tectonic plates.
Explanation:You may think of the litosphere or the crust as the ground below us, tectonic plates divide the crust into to different parts, we call tectonic plates that cover large masses major tectonic plates, examples of these could be the eurasian plate, north american plate, etc. Plates that cover smaller masses are considerd to be minor plates, example of this could be the Juan de fuca plate and the Cocos plate. If you would like to see all the plates, I have linked a map below. I hope this helps! :)
types of clouds and types of rain fall
Answer:
Clouds: stratus, cirrus, and cumulus, stratocumulus, nimbostratus, and cirrostratus (there are more you never said how many you needed) rainfall: Convectional rainfall Orographic or relief rainfall Cyclonic or frontal rainfall (again, you never said how many types you needed)
Answer: Types of clouds are: High level cloud, Mid level cloud , and low level cloud
Types of rain fall are: Conventional rainfall, Orographic rainfall or relief and Cyclonic or frontal rainfall
What issue initially created a source of contention and division for Muslims into Sunni and Shi'a?
Answer:
The issue that was created a source of contention and division for Muslims is who should have the right to leadership.
What is the Sunni Shia split about?
Shia is known to have the opinion that Ali is to be the new leader as he was a relation of Muhammad.
The Sunni are known to want the best person for the job that is capable of leading the community and as such, Sunnis view prevailed and He was said to have became the 4th Caliph (which is leader).
Conclusively, The issue that was created a source of contention and division for Muslims is who should have the right to leadership as there was contention on who to rule.
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Match each place with its numbered location on the map.
1. Appalachian mountains
2. Rocky mountains
3. Newfoundland
4. Sierra madres
5. Great plains
6. Aleitain Islands
7. Canadian shield
8. Laurentian mountains
1
2
3
4
5
6
7
8
The correct locations of each place on the map are:
1. Aleutian Islands
2. Canadian Shield
3. Newfoundland
4. Laurentian Mountains
5. Appalachian mountains
6. Rocky Mountains
7. Great plains
8. Sierras madres
Landforms of North America.
The landforms of North America are varied and contain all of the most important biomes in the world.
The five distinct geographic regions of North America are:
the Caribbean, the Great Plains, the Canadian Shield, the mountainous west, and the eastern region.In the west, we can find the Rocky Mountains and Sierras Madres.
In the middle of the continent is where the Great Plains are; while in the east, we get to see the Appalachian Mountains in the United States, and Newfoundland and the Laurentian Mountains in Canada.
The Canadian Shield stretches over eastern, central, and northwestern Canada and is famous for its great number of lakes.
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80% of the atmosphere’s mass is near __________ with 99% being below 20 miles (32 km).
80% of the atmosphere’s mass is near the troposphere with 99% being below 20 miles (32 km).
Depending on the temperature profile, the layers of the atmosphere on Earth are separated. Troposphere, stratosphere, mesosphere, and exosphere are the four. The troposphere, the lowest part of the atmosphere on Earth, is where almost all meteorological phenomena occur. In the equator, the troposphere reaches a height of 17–18 km, while it rises as high as 10 km near the poles and high latitudes. All meteorological phenomena occur in the troposphere, and as one ascends higher, the temperature drops.
This temperature declines at a rate of about 6.5 degrees Celsius per kilometre ( it will change with atmospheric conditions). Because of the ferocious convective air within the layer, the term "troposphere" (which means "area of mixing") was coined. The troposphere contains 80% of the mass of the atmosphere. Ninety-nine percent of the atmosphere's composition is water vapour. The term "tropopause" refers to the top boundary of the troposphere, when temperatures are stable for a few kilometres.
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Which of the following geographic characteristics of the United States has had a positive influence on the country's political status
Access to both the Pacific and Atlantic Oceans and Limited number of neighboring countries are the geographic characteristics of the United States which had a positive influence on the country's political status.
What is Pacific Ocean?Of the five oceanic regions of the planet, the Pacific Ocean is the largest and deepest. It is bordered by the continents of Asia and Australia in the west and the Americas in the east, and stretches from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south.The South China Sea, East China Sea, Sea of Japan, Sea of Okhotsk, Philippine Sea, Coral Sea, Java Sea, and Tasman Sea are only a few of the main marginal seas in the western Pacific.To know more about pacific ocean with given link
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Question:
Which of the following geographic characteristics of the United States has had a positive influence on the country's political status?
I. Access to both the Pacific and Atlantic Oceans
II. Limited number of neighboring countries
III. Regional differences among the population
IV. Country's proximity to the Mexican border
change 1cm to 4km to representative fraction
Answer:
The representative fraction of the scale is 1 : 2,00,000.
what is plagiarism
lucifer40
I AM HERE
Answer:
75yy8888888888888888888
define vestigial organ
Answer:
Vestigial organs are the organs that have no apparent function and are considered to be the residual parts from the past ancestors.
Updrafts dominate the cumulonimbus cloud during the ________ in the life cycle of an air mass thunderstorm.
Updrafts dominate the cumulonimbus cloud during the cumulus stage in the life cycle of an air mass thunderstorm.
Although first cumulus clouds frequently perish, their deaths are not in vain. In the same column as the initial cumulus, new cumulus clouds frequently form, benefiting from the water vapor from earlier-evaporating cloud particles.
Even if entrainment into the newly forming cumulus still continues, the air that is mixing into the cloud is more humid than before, which, as you may remember, reduces the possibility of net evaporation (and evaporational cooling).
A series of cumulus clouds can now develop and dissipate in a single column of air if there is an adequate supply of low-level moisture and persistent positively buoyant parcels throughout time.
Fair-weather cumulus eventually gives way to cumulus congestus, which is a towering cloud.
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The site of Dmanisi in the Republic of Georgia reveals the presence of Homo erectus in Western Eurasia between 1.75 to 1.86 million years ago.
The statement, the site of Dmanisi in the Republic of Georgia reveals the presence of Homo erectus in Western Eurasia between 1.75 to 1.86 million years ago, is true.
Dmanisi is the site of a medieval village located about 85 km (53 miles) southwest of Tbilisi. Here, the archaeological exploration of the ruins began in the 1930s, but systematic excavations were not undertaken until the 1980s.
Recent excavations of Dmanisi have revealed an extraordinary presence of Homo erectus in Western Eurasia between 1.75 to 1.86 million years ago. Thus, several hominid individuals along with abundant well-preserved remains of fossil animals and stone artefacts have been found.
Hence, the given statement is true.
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Various phenomenon, such as rainfall, snowmelt, monsoons, typhoons, hurricanes, and cyclones can cause rivers to __________ their banks.
Various phenomena, such as rainfall, snowmelt, monsoons, typhoons, hurricanes, and cyclones can cause rivers to flood their banks.
Flooding typically takes place while prolonged rain falls over numerous days, heavy rain falls over a brief length, or whilst an ice or debris jam causes a river or circulates to overflow onto the surrounding place. Flooding can also result from the failure of water manipulate structures, including a levee or dam.
The most essential sources of flood-inflicting precipitation and runoff within America are extratropical cyclones and their associated fronts; convective thunderstorms, especially after they arise in mesoscale convective structures; and tropical cyclones.
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Brief implications of location (both absolute and relative ) on the overall condition of nation. take ethiopia as a case
The implication of location is that Ethiopia's strategic importance stems from its closeness to Middle Eastern, European, and Asian markets. This is it's relative location to other countries.
What are the negative consequences of it's relative location?Ethiopia is surrounded by land, bordering Eritrea, Somalia, Kenya, South Sudan, and Sudan, and for the previous two decades has relied on Djibouti's primary port. This makes it too dependent on the coastal nations.
What is Ethiopia's Absolute location?Ethiopia's GPS coordinates are 9.1450° N and 40.4897° E. Ethiopia's latitude is in the northern hemisphere, this means it is above the equator.
Ethiopia is located in the eastern area, with a longitudinal coordinate in the east. This is Ethiopia's absolute location.
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What condition is necessary on earth to see eclipses of stars in binary star systems?
The line of sight from earth to the star system must be very close to the orbital plane of the stars to see eclipses of stars in binary star systems.
Each star in a double star system, also known as a binary star system, gravitationally pulls in the second star, which circles around the pair's centre of mass. Each star will be seen to eclipse the other once every orbital period if their orbital plane is edge-on to Earth. Eclipsing binary is the name for such a system.
It is also referred to as an eclipsing variable star because in an eclipsing binary system, the total amount of light fluctuates on a regular basis. When one of the two stars in an eclipsing binary is eclipsed, the light curve of the system experiences a deep minimum, and when the other star is eclipsed, the light curve experiences a shallower minimum.
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We lose 5 to 7 million ha of productive cropland per year to ________. erosion, over-irrigation, and overgrazing no-till cropping and shelterbelts damage from recreation activity reforestation and wetland restoration damage from pesticides
We lose 5 to 7 million ha of productive cropland per year to (A) erosion, over-irrigation, and overgrazing.
What are erosion, over-irrigation, and overgrazing?Erosion is the activity of surface processes that transfer soil, rock or dissolved material from one spot on the Earth's crust to another where it is deposited. Weathering, on the other hand, does not involve mobility.Over-irrigation wastes water increases energy use for pumping promotes nitrogen and other micronutrients leaching and wastes time. Over-irrigation significantly increases crop nitrogen requirements, fertilizer expenditures, and nitrogen losses to groundwater.Overgrazing occurs when plants are subjected to intensive grazing for a lengthy period of time or without adequate recovery time. It is caused by cattle in poorly managed agricultural applications, as well as game reserves and nature reserves.Every year, we lose 5–7 million acres of fertile crops due to (A) erosion, over-irrigation, and overgrazing.Therefore, we lose 5 to 7 million ha of productive cropland per year to (A) erosion, over-irrigation, and overgrazing.
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Complete question:
We lose 5 to 7 million ha of productive cropland per year to ________.
a) erosion, over-irrigation, and overgrazing
b) damage from recreation activity
c) reforestation and wetland restoration
d) damage from pesticides
e) no-till cropping and shelterbelts
Which of the following statements describe(s) the importance of environmental protection in North America?
MULTIPLE CHOICE
CHOOSE MORE THAN TWO OR THREE ANSWERS
Environmental protection affects the quality of people's lives.
Environmental protection in North America will not affect Europe or Asia.
Environmental protection efforts today will affect future generations.
Environmental protection policies must consider economic development.
Environmental protection policies need only consider what is best for the environment.
The red rocks of red rock amphitheater west of denver are relatively old compared to other rocks in the area, yet they are at the surface because of ______
The red rocks of red rock amphitheater west of denver are relatively old compared to other rocks in the area, yet they are at the surface because of folding and faulting.
What is a rock?It should be noted that a rock means the aggregate of one or more minerals.
In this case, the red rocks of red rock amphitheater west of denver are relatively old compared to other rocks in the area, yet they are at the surface because of folding and faulting.
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which era is also called as fire of amphibians
The fire of amphibians era, which is called as Carboniferous Period.
What is Carboniferous Period?The term carboniferous refers to the production of the carbon and coal over an area. The carboniferous period refers to the period or the geological time frame in which coal beds initially started to emerge.
It was during the Carboniferous when animal life first established itself on land. During the previous epoch, the Devonian period, floral life established itself on land and started to flourish.
The carboniferous began from about 360 million to 300 million years ago, and the Carboniferous was characterized by thick, marshy woods that produced significant peat deposits.
Therefore, it can be concluded that The Carboniferous Period is the time when amphibians first appeared.
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When rocks are broken down and worn away, they form loose materials of all sizes called?
Answer: Sediment
Explanation: Sediment can consist of rocks and minerals, as well as the remains of plants and animals. It can be as small as a grain of sand or as large as a boulder. Sediment moves from one place to another through the process of erosion. Erosion is the removal and transportation of rock or soil.
Compared to continental air masses with the same air temperature, maritime air masses:____.
Compared to continental air masses with the same air temperature, maritime air masses c. have higher water vapor content.
This includes ports, ships, vessels, and offshore oil rigs (alongside their crew and sports). Maritime sports also extend to the ones based onshore which include shipbuilding and restoration, naval architecture, and engineering.
Maritime careers essentially cowl any process placement bearing on the ocean, especially in connection with shipping, maritime trading, or naval activities. most customarily, maritime employment covers ships and vessels, ports, and offshore oil rig jobs.
'Maritime' is variably defined extensively as 'of or relating to the ocean', yet in different definitions, it's miles extra mainly associated with delivery, navigation, law, and naval affairs. but 'marine' too, is defined as 'of or regarding the ocean' with ties to navigation and commerce.
The question is incomplete. Please read below to find the missing content.
Compared to continental air masses with the same air temperature, maritime air masses:
a. have lower water vapor content.
b. have about the same water vapor content.
c. have higher water vapor content.
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