PLEASE HELP ON MY FINAL
Which of the following factors have been most influential in allowing manned space exploration?

A- design of rockets capable of escaping earth’s gravitational pull
B- ability to turn food into pills and powders so they can be eaten in space
C- development on powerful batteries which provide light for astronauts to use in the darkness of space
D- creation of atmospheric systems that provide oxygen while absorbing carbon dioxide

Answers

Answer 1

Answer:

The answer is D- creation of atmospheric systems that provide oxygen while absorbing carbon dioxide

Explanation:

By using elimination of choice that answer seems the most accurate.


Related Questions

New Orleans has an altitude at and below sea level, a latitude near the Tropic of Cancer (the equator-zone), is surrounded by water, and has no mountains near by. What would you expect the climate to be?

Answers

Answer:

Rainy, sunny and humid.

Explanation:

HELPPPPP

How does the acceleration of an object affect its force?

Answers

By a other object using force
states that the acceleration of an object increases with increased force and decreases with increased mass. ... Notice how mass and force affect acceleration. Newton's second law. The acceleration of an object increases with increased force, decreases with increased mass, and is in the same direction as the force.

Can someone please help me with this it's for a grade.

Answers

Answer:

The Answer is 'D'

Explanation:

The diagram on the down side shows the behavior of the particles of a liquid so I suppose it is the ocean. While the top diagram shows the behavior of the particles of a gas so I am sure it's the air. Therefore I chose the last diagram because it describes exactly how you wanted in the question, which is the Ocean's water evaporating to become gas or the 'air' as we say

Thank you and I hope you like this answer!

Magnesium (Mg) has two electrons in its outermost energy level.
Oxygen (O) has six. How can a Mg atom bond with an O atom?

Answers

Ionic cause Mg will give O its electrons so both their outer shells are full and stable
Mg will give u o sours mg

The table shows the densities of four samples, each of the same volume.


DENSITIES OF SAMPLES

Sample Density (g/cm3)
W 5.1
X 1.7
Y 7.3
Z 3.5

Which sample has the greatest mass?

Answers

Answer:

Its Y

Explanation:

The formula for density is D=m/v therefore the formula for mass is m=d(v) since v is a constant the sample with the highest density will also have the highest mass. Meaning that Y is the answer.

please help me!!!! or my mom will ground me for 2 weeks :(

Answers

Radiation because Ik this

Which of the materials in the chart originally came from fossil fuels?

Group of answer choices

Acrylic

Cotton

Nylon

Polyester

Viscose

Answers

Answer:

Polyester

Acrylic

Nylon

Are all made of fossil fuels.

nylon the answer is nylon

using distance and can help you identify the position of something

Answers

Answer: Length and width

Explanation:

Answer:

Length and width

Explanation:

So im confused i don't know what im supposed to do here

Answers

So I believe you are supposed to take notes based on the guiding questions (the questions on the side).

Answer:

save your notes in a google drive folder then go back to canvas and click on the "google drive" tab then scroll down and once you see the name of the folder you saved your notes in, click on it then hit submit

Explanation:

Classify the following substances as:


Pure Substance – Solution – Mechanical Mixture –

Suspension –




Milk

Coffee (black)

Soil

Sugar

Lemon juice

Salad Dressing

Answers

i’m not sure maybe coffee
Milk - Suspension
Coffee - suspension
Soil - Mechanical mixture
Sugar - pure substance
Lemon juice - solution salad dressing - mechanical mixture


I’m not completely sure if it’s all correct though. Sorry

How do substances move across the cell membrane?

Answers

Answer:

The plasma membrane by diffusion

Explanation:

Materials move within the cell's cytosol by diffusion, and certain materials move through the plasma membrane by diffusion

Plasma membranes by diffusion

how are elements in the same group in the periodic table alike

Answers

C or D sorry if neither

Answer:

D. They have similar chemical properties

Explanation:

That's because they have the same number of electrons in the outer orbital

Which type of variable is kept the same throughout an experiment?

Constant variable
Measured variable
Outcome variable
Test variable

Answers

Answer:

Constant variable.

constant variable , it always stays the same

A batter hits two balls during practice. Ball A travels 10 meters, while ball B travels 12 meters. The batter decides to hit ball A with less force. How will this change the motion of ball B?

The motion of ball B will increase.
The motion of ball B will decrease.
The motion of ball B will stay the same.
The motion of ball B will become the same as ball A.

Answers

Answer:

C. the motion of ball b will stay the same

The motion of ball b become the same as ball a

What is the relationship between parent cells and daughter cells.​

Answers

Answer:

Explanation:In particular, eukaryotic cells divide using the processes of mitosis and meiosis. Mitosis is common to all eukaryotes; during this process, a parent cell splits into two genetically identical daughter cells, each of which contains the same number of chromosomes as the parent cell.

A parent cell is the cell that divides during cell division to produce two daughter cells. The two daughter cells produced during mitosis share the same genetic makeup as the parent cell. In meiosis, the daughter cells have half as many chromosomes as the parent cell and a distinct genetic makeup.

What is parent cell ?

A parent cell that is a progenitor of other cells or the first in a line of growing cells, as well as a cell that divides to produce two or more daughter cells.

The cell that divides into two daughter cells during cell division is referred to as the mother or parent cell. The mother cell's genetic makeup is carried over into the two daughter cells created during mitosis.

An organism's reproductive cells are called gametes. They are additionally known as sex cells. Male gametes are referred to as sperm, whereas female gametes are referred to as ova or egg cells. Each haploid cell that makes up a gamete has one copy of each chromosome.

Thus, A parent cell is the cell that divides during cell division to produce two daughter cells.

To learn more about parent cell, follow the link;

https://brainly.com/question/18686461

#SPJ6

Help me plzz can't fail this
due today

Answers

Answer:

I'm lazy so I won't explain

1. Groups are the vertical lines on the periodic table

2. Periods are the horizontal lines on the periodic table

3. *make sure to always capitalize the 1st letter, and lowercase the 2nd

*Always use print letters

a. Mg b. K c. Fe d. Cu e. Xe f. Pt

4. a. Carbon b. Lead c. Arsenic d. Osmium e. Krypton f. Strontium

5. a. 1 b. 4 c. 7 d. 14 e. 5 f. 5

6. a. 16 b. 2 c. 1 d. 12 e. 17 f. 8

Hope this helps u

Answer: Lyidabrownies12 is correct

Energy can be neither created nor destroyed. This fact means that even though energy sources can be depleted (used up), the energy in them is not destroyed. Instead, it is transformed to other forms of energy. And almost all energy resources here on Earth can have their energy traced back to the Sun’s gravitational or light energy.

Electricity is often thought of as a secondary source of energy because it must be gained by transforming some other kind of energy (a primary source). Think about where the electricity generated by a wind turbine comes from. Describe the path that wind energy takes from the Sun’s light to electricity.
plz help ioo points
hurry

Answers

The heating of the Earth's surface and atmosphere by the sun drives convection within the atmosphere and ocean. This convection produces winds and ocean currents. The greater the pressure differences between a low-pressure area and a high-pressure area, the stronger the winds.
Hope this helps :)
The path is through a primary source and through a source of energy

PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ help me!!!!!
Classify the following substances as:

Pure Substance – P Solution – S Mechanical Mixture – MM
Suspension – SU Colloid - C

Substance

Apple Juice

2005 Penny


Propane


Chicken Noodle Soup


Milk

Salsa


14 Karat Gold Ring


Air

Pepsi (in a glass)


Chocolate Chip Cookie

Answers

Answer:

dude me too in which garde are you ☠

When the boat is placed on the scale, how does its weight compare to the weight of the water it displaced?

Answers

Answer: It'll be lighter than when it is put on the water.

Explanation: Cause when a boat needs to move, it usually takes water into the engine, and then propulses it bk out.

It will be lighter, as water is more heavier then others may think, a boat would weigh less since a chunk of water would most likely weigh 100 tons more.

Human activities can have more affect on the environment than you may think. When a dam is built, what are some of the impacts it will have on the surrounding environment?

Practice
Answer in at least 2 complete sentences.

Answers

Answer:

When a dam is built, the rest of the lake will begin to drought and remove moisture for the wildlife. Making the wildlife adapt, and in severe cases, become endangered.

Please help ASAP I will give 19 points please help


Don’t answer if you don’t know it, if you answer that is really rude because I need the answer and only 1 more person would be able to answer not 2 people to not answer if you have no answer. I am making it clear again DO NOT ANSWER IF YOU DONT KNOW THE ANSWER

Answers

Answer:

Can you pls clarify this

Explanation:

I dont

the right answers are on quizlet!!! it’s a great use.

Materials with small, connected pores are _____.
A. Impermeable
B. Permeable
C. Unsaturated
D. Saturated
GOD BLESS AMERICA!!!!!!!!!!!
And God bless you! :)
Merry Christmas and happy new year and stay safe and have an awesome day and God bless! :)

Answers

Permeable

Because substances can move through the small pores
Permeable - I think I learned it in biology two years ago

A car is going on the 210 freeway going west at 80 mph. The car then slow down to 50 mph. As the car merges to the 605 freeway going south at 50 mph. How many changes in velocity was their?

Answers

Answer:

1

Explanation:

when he merged

when he slowed down he didn’t change direction which is a key part of velocity so that doesn’t count

Which one is right pls help

Answers

Answer:

The answer is Electron

Explanation:

Answer:

the answer is electron

Which of the following represents a type of change (physical or chemical) that is different from the rest?

Rusting of metal after being exposed to water
Hydrogen and oxygen combine to make steam
Water vapor condenses to form water droplets
Release of gas when a particular candy is dropped in water

Answers

Answer:

rusting of metal after being exposed to water

Explanation:

The third one since I’m pretty sure the rest are chemical changes while condensation is a physical change.

I NEED HELP ASAP DON'T JUST ANSWER FOR POINTS OR YOU WILL GET REPORTED!
How many protons, neutrons, and electrons does potassium's neutral atom have?

Answers

Answer:

The number of neutrons is entirely dependent on the Mass number of the particular atom. The standard mass for potassium is 39.

Potassium is element number 19, so it has 19 protons and 19 electrons in the neutral atom. It has therefore 39-19 = 20 Neutrons.

Explanation:

Answer:

Number of Protons 19

Explanation:

Number of Neutrons 20

Number of Electrons 19

Melting Point 63.65° C

True or False: As air masses move, they rarely change temperatures and/or moisture levels.

Answers

true is the answer to this

strong acids and bases can be harmful to both plants and animals in our waterways. which of the following is not a consequence of acidity ?

Answers

Answer:

I think b is the correct answer

Explanation:

Answer:I think maybe C? I don’t know... I am in 6th grade and I don’t know what grade science this is...

Explanation:

How are the scientific method and the engineering method similar?

Both methods identify failure points.
Both methods construct a hypothesis.
Both methods focus on designing things.
Both methods work on finding solutions to problems.

Answers

The answer is Both methods work on finding solutions to problems. Because the science is trying to get the right thing and engineering is trying to solve the problem and get right thing and is the same with the science

Explanation:

please help me answser this, its a photo

o element
o subscribe
o coefficient

Answers

Answer:

I believe it is a element

.........

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