How can you tell that granite and basalt are not pure substances?

Yeah so i am not sure about the ans, but i think they are not pure because they volcanic ash etc. i am i right?

Answers

Answer 1

Answer:

They are not

Explanation:

the density is used to know if they are pure or not. Pure substances have fixed density, e.g. water


Related Questions

1 point
More African slaves were brought to
than anywhere else during the Atlantic Slave Trade
il

Answers

Yeah they were slaves back in the day

how do you think weathering impacts the earths surface?​

Answers

Answer:

The effects of weathering disintegrate and alter mineral and rocks near or at the earth's surface. This shapes the earth's surface through such processes as wind and rain erosion or cracks caused by freezing and thawing. Each process has a distinct effect on rocks and minerals.

Explanation:

Why have the japanese traditionally built houses of rice paper and thin strips of wood?.

Answers

Answer:

I don't know much about Japanese stuff (despite being Chinese). I do know, however, that Japan, especially during old times, used these materials since their land has abundance of this. Japan is mostly forest. Rice is also used due to, yet again, abundance. In Asia, they didn't know much crops except for rice, and Rice is also extremely easy to grow since all you have to do is overflood the field. This art of construction was also a reason why there were constant fires in the area.

Explain why development is difficult in desert regions

Answers

Answer:

Extreme temperatures - temperatures in the Thar Desert can exceed 50°C in the summer months. It is hard for people to farm, work in mines or as tourist guides during these months as it is simply too hot. This makes development difficult

Please help I’ll give brainlyest

Answers

Answer:

I only know number 1(I THINK) Malala is the youngest person ever to win the Nobel Peace Prize and has become well known in the international community for her diary about life under Taliban rule. Since then, she has become a voice for education and equality for all around the world.

Sadie is drawing a timeline in order to compare the relative length of four major divisions of time throughout Earth's history. In order to draw her timeline to scale, she is using the information in the table below.

On her timeline, she plans to represent the Cenozoic era using a line that is 0.35 cm long, and the Mesozoic era using a line that is approximately 1 cm long. Based on these proportions, approximately how long should she draw the line representing the Precambrian?
A. 2 cm
B. 5 cm
C. 20 cm
D. 10 cm

Answers

Answer:The Answer is C

Explanation:

In order to compare the relative length of the four divisions of time, Sadie is most likely using the data in the duration column of the data table. Given that the Precambrian lasted for 3,956 millions of years, which is approximately 20 times longer than the Mesozoic era (186 million years), the line she draws should be approximately 20 cm long.

How the structure of a country population changes between stage 2 and 4 in the Dtm

Answers

Answer:

In stage 2 they diverge , as the death rate falls relative to the birth rate. In stage 3 they converge again, as the birth rate falls relative to the death rate. Finally in stage 4 the death and birth rates are balanced again but at a much lower level.

Which of the following would not cause habitat change? a. Building a dam on a river b. A hurricane c. Introducing new hiking trails d. None of the above Please select the best answer from the choices provided A B C D.

Answers

All the given options would cause habitat change. So, option (d) is the correct answer.

What causes a habitat change?

All of the suggested factors are contributing to habitat change, each in their own unique way:

Constructing a dam on a river will halt the natural flow of the river, halting the natural movement of living species, nutrient dissemination, water temperature, and water depth.

Because hurricanes typically do extensive damage, they frequently destroy one habitat while effectively creating space for another to emerge.

Introducing new hiking routes, while minor, manages to induce change in the habitat because specific areas of the habitat must be cleared, essentially destroyed, and also maintained, resulting in a major rise in the number of people, producing environmental disturbance.

For more information about habitat, refer below

https://brainly.com/question/26694285

how many tropical storms hurricanes and tropical depressions have hit new york city sice 2000

Answers

Answer:

85

Explanation:

Eighty-five tropical or subtropical cyclones have affected the state of New York since the 17th century.

5. What is the chemical reaction at the heart of green plants today that changed
the atmosphere of the early earth?

Answers

Answer:

Over millions of years, a chemical reaction called photosynthesis was responsible for increasing the amount of oxygen in the atmosphere of the early Earth.

1. Coruse hero what are the two major rivers of the mesopotamian valley? what modern country are these two rivers in today?

Answers

Answer: The Tigris and Euphrates Rivers. These two rivers are in modern day Iraq.

Mesopotamian civilization developed along the banks of the Tigris and Euphrates rivers in what is now Iraq and Kuwait.

What are the two major rivers of the Mesopotamian Valley?

It includes the Tigris and Euphrates rivers, which follow closely similar routes through the center of the Middle East.

The lower part of the region they described, known as Mesopotamia was one of the main centers of civilization.

Thus, The rivers that are located in the fertile valleys between are the Tigris and Euphrates rivers, the region is now home to present-day Iraq and Kuwait.

Learn more about Mesopotamian Valley:

https://brainly.com/question/99931

#SPJ4

Whose job responsibilities are listed above

1. School board
2. Board of supervisors
3. Governor
4. City council

Answers

Answer:

The Answer is A.

Explanation: School boards typically hire their own teachers, not the government. Good luck broski.

Answer:

The answer you are looking for is

A) school board

Which terms describe the different movements of earth? check all that apply.

Answers

Earth's movement is described by two terms, i.e., rotation and revolution. Rotation is the movement of the earth on its own axis, while revolution is the movement of the earth around the sun in an orbit.

What is astronomy?

Astronomy is the systematic study of celestial objects using concepts from mathematics, physics, and chemistry.Astrophysics is a part of astronomy that applies concepts of physics to space.

Thus, Rotation & Revolution are the correct terms

To know more about Astronomy click on the link below:

https://brainly.com/question/5165144

Which of the following are needed to form a salt lake

Answers

Answer:

when freshwater flows into the lake, but cannot exit due to a lack of outflow. When water evaporates, the salty minerals are left behind to mix with new rainwater.

Explanation:

Answer:Essentially, salt lakes form when freshwater flows into the lake, but cannot exit due to a lack of outflow. When water evaporates, the salty minerals are left behind to mix with new rainwater. In short, if a lake has no outflow, it eventually becomes a salt lake.

Explanation:

Rip currents are dreaded by surf swimmers everywhere. The standard recommendation for swimmers is if you get caught in a rip current, swim parallel to the shore. Why?.

Answers

you won’t get tired as easily and fighting against the current is ineffective

This boulder in Yosemite National Park formed far away from where it now rests.


Which agent of erosion could have moved it here?

A. Glacial ice

B. Volcanic eruption

C. Wind abrasion

D. Tectonic stress​

Answers

Answer:

A. Glacial Ice

Explanation:

NEED HELP ASAP !!!!

What additional data might help leaders in developing an emergency plan for natural disasters in their state? Select the two best statements.


A

Information on the number of occurrences of each natural disaster in their state for the past 10 years

B

Information on the average annual income for a family in the United States over the past 10 years

C

Information on the record high and record low temperatures in their state for the past 10 years

D

Information on the cost of each natural disaster in their state for the past 10 years

E

Information on the total amount of land that is being farmed in their state for the past 10 years

Answers

Answer: A, D

Explanation:

A) This would help to predict what types of natural disasters would occur.

B) A family's income doesn't affect when a natural disaster happens.

C) This would help track average weather, not natural disasters.

D) This would help allocate proper funding for natural disaster plans.

E) Irrelevant.

What is the predominant land use in north korea, south korea and japan

Answers

The answer is coastline lowlands. In Japan, there are 6,800 islands in its archipelago and 4 main islands. Most Japanese live along the coastal lowlands, the mountainous Korean Peninsula lies between China and Japan. Also, North and South Korea, most people live along the lowlands and the coastline.

What is the only continent in the world that has no volcanoes?.

Answers

Answer:

Australia

Explanation:

that's the answer

The ________ ocean is largest; the ________ ocean is smallest.

Answers

Answer:The largest ocean in the world - the Pacific Ocean - is ten times bigger than the smallest one - the Arctic Ocean.

Explanation:

Please Help!!!!!!!
Identify the countries labeled on the following map.

Answers

search Europea map

It's no letting me tipy the countries

changes to biome due to rice

Answers

Answer:

Studies suggest that temperature increase, rising seas and changes in patterns of rainfall and its distribution under global climate changes might lead to substantial modifications in land and water resources for rice production as well as the productivity of rice crops grown in different parts of the world.

Which of these describes the
composition of the nucleus of a
comet's head?
A. fuzzy outer layer
B. solid inner core
C. gas and dust trail
D. comet's atmosphere
h

Answers

Answer:

I believe the answer is C. gas and dust trail.

Explanation:

Hope that helps!

What is a mutation process?

Answers

Answer:

A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.

Explanation:

Answer:

Explanation:

A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses

how is shaft method carried out​

Answers

The method consists in drilling the holes and then injecting a slurry of water and cement under pressure through the holes till they are completely sealed off. In the past injection was done at low pressures like 6 kgf/cm2 but it has been proved that high pressure of the order of 300 kgf/cm2 can be used successfully

Narrow land strips connecting two larger landmasses.

Answers

Answer:

Narrow land strips connecting two larger landmasses are known as isthmuses.

Whats the definition of latitude zone? Give me a short definition

Answers

The latitudes where the sun strikes the earth directly at the time of the June and December solstices.

Good Luck!

The vegetation on a higher-latitude treeless plain (mostly mosses, lichens, and sparse grasses) is known as:

Answers

Answer:

tundra

Explanation:

it's on quizlet if you need it

Urbanization of a watershed is most likely to result in __________.Group of answer choices increased infiltration of rainwater an increase in the volume of water entering streams after rainfalla decrease in the likelihood of flash floodinga longer lag time between storms and the onset of flooding

Answers

Answer:

an increase in the volume of water entering streams after rainfall

Explanation:

The watershed rises the water in streams and other places full of water.

What are the three compositional layers of the earth.

Answers

Answer:

The crust, the mantle, and the core.

Explanation:

These are the three compositional layers that the Earth is made of.

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