An astronaut leaves Earth's surface and begins orbiting Earth. How will his departure from Earth affect his mass and weight?
A:His mass and weight will remain constant.
B:His mass will increase; his weight will decrease.
C:His mass will decrease; his weight will increase.
D:His mass will remain constant; his weight will decrease.

Answers

Answer 1
Mass– the amount of matter than an object is made of. Mass does not change with gravity. Weight– the amount of gravity acting on (pulling down on) an object (or mass). ... Earth's gravity pulls us and all objects downwards towards its center.
Answer 2

His departure from Earth  will affect his mass and weight by the mass

remaining constant and his weight decreasing.

Gravitational force is present on earth's surface and is responsible for

pulling bodies towards each other. It is also responsible for objects falling to

the ground thereby making them remain there.

Weight is calculated by mass multiplied with gravitational force. The

gravitational force on  a body decreases with increase in altitude which is

why mass remains constant and his weight decreases.

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Related Questions

Which of the following is NOT a characteristic of life?


A must have a method of excreting waste
B Must be able to grow
C Must maintain boundaries between inside and outside


D Must use oxygen to survive

Answers

Answer:

B

Explanation:

You can't tell anybody to grow because you are amazing

whatever size or way you are so B

Which of the following statements correctly describes the relationship between energy and nutrients in an ecosystem?


a. Energy and nutrients flow
b. Energy and nutrients cycle
c. Energy flows and nutrients cycle
d. Energy cycles and nutrients flow

Answers

A Nutrients move through the ecosystem in biogeochemical cycles. A

Which of the following is important in creating a genetically diverse population?

Answers

Answer:

What are the choices so that i can answer the question

You would need to combine the genes from 2 different populations. Since lowering the diversity of a population with cause there to be no variation. Which means that then the population cannot evolve in different ways such as to changing environmental factors and can face an extreme risk of extinction. I hope this helped!

Complete the statement to describe the sodium-potassium pump.
The sodium-potassium pump moves____
ions into the cell and____
ions out of the cell.

Answers

Answer:

The sodium-potassium pump moves potassium

ions into the cell and sodium

ions out of the cell.

Explanation:

Answer:

The sodium-potassium pump moves potassium

ions into the cell and sodium

ions out of the cell.

Explanation:

i got it right on edge

2. THE DEPRESSION THAT RESULTS WHEN A VOLCANIC CONE COLLASPES OVER AN EMPTYING
WALEN
MAGMA CHAMBER IS A

Answers

Answer: A caldera is a large depression formed when a volcano erupts and collapses. During a volcanic eruption, magma present in the magma chamber underneath the volcano is expelled, often forcefully. When the magma chamber empties, the support that the magma had provided inside the chamber disappears.

Explanation:

 which statement is true about cell wall but not a cell membrane?

a. it forms the outer layer of the cell

b. it gives an animal cell shape

c. it is selectively permeable

d. it is mostly of cellulose

Answers

Option a
It forms the outer layer of the cell
Hope it helped if yes then please like it

asap!!! A researcher illuminated a filament of cyanobacteria with light that passed through a prism, thus exposing different segments of cyanobacteria to different wavelengths of light. He found that the bacteria in the green light changed in color from green to red after multiple weeks of exposure but were still reproducing at the same rate. What can you conclude about the change in pigmentation of the cyanobacteria exposed to green light?

1.) More chlorophyll a was produced in response to the green light exposure

2.) The cyanobacteria were dying and were changing color in response

3.) Red light instead of green light was being absorbed by the chloroplasts

4.) More red photosynthesis pigments were produced to absorb green light

Answers

Answer:

#4.. More red photosynthesis pigments were produced to absorb green light

Chlorophyll, carotenoids, and phycobiliproteins, as well as additional classes like scytonemin, which are more focused on cyanobacterial cells' protection, are the three main classes of photosynthetic pigments that stand out in cyanobacteria. Thus, option D is correct.

What are the characteristics of cyanobacteria?

Many plants depend on cyanobacteria for their wellbeing and development.

Being able to transform inert atmospheric nitrogen into an organic form, like nitrate or ammonia, makes them one of the very few types of organisms that can do so.

Cyanobacteria are microscopic, photosynthetic organisms that are classified as bacteria.

They were once known as blue-green algae. Since dense growths frequently color water green, blue-green, or brownish-green, they were previously referred to as blue-green algae.

Therefore, More red photosynthesis pigments were produced to absorb green light.

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A tactic used long ago by conquering nations on those they sought to control was to
invade the land and salt the fields. What were they hoping to accomplish by doing
this?

Answers

Answer:

I don't know this answer sorry dear

Explanation:

hope other wilp help you soon

The invading nations aimed to devastate the agricultural productivity and food supply of the local population.

Salting the fields was a deliberate act of agricultural sabotage with long-lasting consequences. The process involved spreading large amounts of salt over the farmland, which effectively rendered the soil infertile, inhibiting the growth of crops and making it nearly impossible to cultivate food. This strategy was particularly effective in ancient times when agriculture was the primary means of subsistence.

The devastation caused by salting the fields not only impacted the present generation but also affected future generations as the soil remained barren and required significant efforts to be reclaimed for agricultural use. This tactic was not only meant to suppress immediate resistance but also to instill fear and discourage other potential adversaries from rebelling against the invading nation.

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1)What is a trophic level?

2) explain how energy travels through food web ? your response must include the following terms:
Decomposer,producer, primary, consumer , 10%.

3)why is energy reduced at successive trophic levels?

Answers

1. The trophic level is something's position in the food chain/food web.

2. Energy travels through out the food chain because all the animals eat each other and take each other's energy. The decomposers are eaten, the producers are eaten, but the primary consumers get all the energy.

3. The energy decreases because each animal decomposes the energy a little, before getting eaten. By the time the food reaches the top of the web, the energy is barely left.

Hope this helps!

When observing a specimen under medium power, which adjustment knob should be used to focus the image? Why?

Answers

Answer:

The coarse adjustment knob should only be used with the lowest power objective lens. Once it is in focus, you will only need to use the fine focus. Using the coarse focus with higher lenses may result in crashing the lens into the slide.

Explanation:

Which types of rocks can become metamorphic rock?


both igneous and metamorphic rock


both igneous and sedimentary rock


clastic sedimentary rock


clastic or chemical sedimentary rock

Answers

Answer: Your answer is ''Both igneous and sedimentary rock.''

Explanation: They both can form underground and at the surface.

Answer:

B

Explanation:

__ used to help substances enter or exit the cell membrane

Answers

Answer:

Transport Protein

Explanation:

This is used to help substances enter or exit the cell membrane.

Can someone please answer these 3 questions pls.

Answers

Magma and methane or both liquids because hamsters and toe nails will definitely not be liquids
Heat from the core
Outter and inner core

Which of the following is true about the structure of water?
1. It is held together by an ionic bond
2. It is nonpolar
3. It is polar
4. It has one positive hydrogen attached to one negative oxygen

Answers

Answer:

3.) It is polar

Explanation:

Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. Other molecules, such as Ethane, are nonpolar, having neither a positive nor a negative side.

What is a big difference between to
biosphere and the geosphere?

Answers

Bio is Life Geo is Earth

After a virus uses a host cell, the host cell often
is damaged or destroyed
develops a capsid
is no different than before
is refreshed and healthy

Answers

DNA viruses use host cell proteins and enzymes to make additional DNA that is messaged to become RNA, which is then used to direct protein synthesis. The RNA directs host cell to make viral enzymes and capsid proteins.
So the answer is: Develops a Capsid(:

Answer: is damaged or destroyed

Explanation:

Nitrogen is included in the
makeup of proteins and
nucleic acids. Also, it is often
the limiting nutrient for what
type of organism?

Answers

Despite its abundance in the atmosphere, nitrogen is often the most limiting nutrient for plant growth.

Matthias Schleiden proposed that a plant grows by the division of cells and is composed entirely of cells. Which component of the cell theory is supported by Schleiden’s contribution?


The activity of an organism depends on the energy it consumes.

The activity of an organism depends on the energy it consumes.


All living organisms are made up of one or many cells.

All living organisms are made up of one or many cells.


All cells are physically and chemically similar.

All cells are physically and chemically similar.


Energy flow occurs within cells.

Answers

Answer: All living organisms are made up of one or many cells.

Explanation:

In 1830s, botanist Matthias Schleiden studied the tissues individually and proposed the cell theory for the first time. According to him all the living beings are made up of cells and cell is the basic unit of life.

As according to him in the cell division he was able to observe that the plants are made up of cells. This observation is indicating towards the fact that all living organisms are made up of one or many cells.

______is the international system of units used by scientists worldwide.

Answers

Hey :)

SI unit/ Standard International


The International System of Units (SI, abbreviated from the French Système international (d'unités)

Hope this helps :)

HELP HELP!!! ASAAAAPPPPP

Answers

Answer:

a is your answer

Explanation:

PLEASE HELP!!!

Which of the following is true of enzymes? Select all that apply.
A: Enzymes create an environment in which there is an increased amount of energy required for a reaction to take place.
B: Enzymes withstand any permanent change during a reaction.
C: Enzymes slow down biochemical reactions.
D: Enzymes act as biological catalysts.
E: Enzymes lower activation energy.

Answers

The answer is B, D, and E.

which of the following would be a quantitative observation
a. the attractiveness of the tail feathers of a male peacock is compared
b. butterfly wings are assessed to see which is the most orange in appearance
c. the height of radish seedlings is measured
d. the odor of different plants is compared to see which smells the worst

Answers

Answer:

c. the height of radish seedlings is measured

Explanation:

Quantitative measurements revolve around the quantity of things and exact measurements. The measured height of a radish seedling is the perfect example of that.

Memory technique:

Quantitative observations involve quantity (numbers).Qualitative observations involve quality (descriptions, features, i.e. color, smell, shape)

How does high specific heat help aquatic organisms?

Answers

Answer:

Explanation:

Due to its high heat capacity, water is used by warm blooded animals to more evenly disperse heat in their bodies; it acts in a similar manner to a car's cooling system, transporting heat from warm places to cool places, causing the body to maintain a more even temperature.

Describe a situation in which being able to drink milk would give an individual an advantage with respect to survival and reproduction.

Answers

Answer/Explanation:

A family has a farm in which they grow crops and keep cows. During a particularly harsh winter, the crops failed to grow as well as they normally do. This means that their food supply was limited.

However, they also have cows, and cows produce milk. If this family were able to drink milk, they could get some nutrition from the milk. This means they are less likely to succumb to malnutrition and disease, and are more likely to survive and reproduce.

1. The human body maintains a constant internal temperature of 98.2F - 98.8F What changes occur
when the hypothalamus detects a temperature of 95F? Is this a negative or positive feedback?

Answers

Body temperature is regulated by negative feedback. The stimulus is when the body temperature exceeds 37 degrees Celsius, the sensors are the nerve cells with endings in the skin and brain, the control is the temperature regulatory center in the brain, and the effector is the sweat glands throughout the body.

HELP PLS HURRY i really i need this done

Answers

Hi the image won’t load? What is the question?

Geckos are a type of small lizard that live in tropical areas. Geckos are often eaten by birds, snakes and larger lizards so they need to blend into their surroundings. In one area, scientists had always found brown and green geckos that blended in with the grass and the leaves on the ground. Over time, though they found yellow geckos in the same population. Three students were talking about why there were yellow geckos. Ciena thought that the change came from a mutation in the population. Tibor thought the change came from the environment. Sasha though that Ciena and Tibor were both right. Who do you agree with and why do you think that?​

Answers

Answer:

Not going to say this is right but, I think that Tibor is correct because if the land has changed more over time then the yellow ones have adapted to the new living conditions while the green one have found ways to live in that environment.

ASAP PLEASE!

What substances are used up as the reactants in cellular respiration?

O2 and C6H12O6
O2 and H2O
CO2 and H20
CO2 and C6H12O6

Answers

Answer:

Cellular Respiration reactants are glucose and oxygen.

Explanation:

Energy can be measured in calories, 1,000 calories is called a kilocalorie (kcal),
If the producers have 10,000 kcal of energy and 10% is transferred to the primary
consumers, how much energy is transferred?

100 kcal
1,000 kcal
10 kcal
Plz help me which one is it!!!!!

Answers

Answer: 1,000kcal

10% of 10,000 is 1,000.

The amount of energy transferred if 10% is transferred to the primary  consumers is 1000kcal

Given the following parameters

Amount of kcal the producer have = 10,000kCal

Percentage transferred to the primary consumers = 10% of the amount produced

Get the amount of energy transferred;

[tex]Energy \ transferred = \frac{10}{100} \times 10,000\\ Energy \ transferred =0.1 \times 10,000\\Energy \ transferred =\frac{10,000}{10}\\Energy \ transferred =1000kcal[/tex]

Hence the amount of energy transferred if 10% is transferred to the primary consumers is 1000kcal.

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need help
6H2O + 6CO2
C6H12O6 + 602

Answers

Answer:

C6H12O6+6O2=6CO2+6H2O

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