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antiseptic1488 [7]
2 years ago
13

Energy is an essential part of our daily lives, but the resources that power the Earth are being threatened. Imagine a world whe

re people didn’t know how to generate energy. What do you think that world might be like? Describe your answer in 4-6 sentences.
Biology
1 answer:
luda_lava [24]2 years ago
7 0

Answer:

Generating energy that produces no greenhouse gas emissions from fossil fuels and reduces some types of air pollution. Diversifying energy supply and reducing dependence on imported fuels. Creating economic development and jobs in manufacturing, installation, and more.so by not knowing how to generate energy all these things will therefore not be possible. making it harder for humans to survive.

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Fill in the blank with the appropriate term. 1.The___________ is often considered to be the cell's control center. 2.The________
ValentinkaMS [17]
 1.The nucleus is often considered to be the cell's control center.
(because it contains the DNA)

2.The cytoplasm consists of everything inside the plasma membrane of the cell.
(actually it excludes the nucleus)

 3.The plasma membrane forms a boundary between the inside and outside of the cell. - it controls what can enter and what can't!


4.The cytoskeleton is essentially a "skeleton" inside the cell..
it maintains the form of the cell

5.The rough endoplasmic reticulum is covered with
Ribosomes -they make the proteins!


6.Lysosomes use enzymes to break down foreign matter and dead cells.

 7.plant cells cells specifically have a cell wall, a large central vacuole, and chloroplasts.-choloplasts are only found in plants!

3 0
2 years ago
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List three environmental problems that life scientists are studying
tamaranim1 [39]
Air pollution. industrial pollution​.
6 0
2 years ago
A ball is dropped from the top of a building. The gravitational force is 10 N down, and the force of air resistance is 1 N up. W
Burka [1]

Answer:

9N down

Explanation:

The net force on the ball dropped has a magnitude of 9N and it is directed downward.

Given;

  Gravitational force  = 10N down

  Air resistance = 1N up

<em>Air resistance is an opposite force that acts against a body passing through air. It is a negative force. </em>

<em>Gravitational force is a force acting on a body due to gravitational attraction of the earth.</em>

 Net force  = Gravitational force down - Air resistance up

                   = 10N - 1 N

                   = 9N down

The net force is 9N downward.

6 0
2 years ago
Review the chart, which shows the population sizes of three African animals in 1990 and in 2000.
Veseljchak [2.6K]

Answer:

Population of lions are more than cheetahs and zebras.

Explanation:

The chart provides information about the population sizes of Lions, Cheetah and Zebras. According to this information, population of lions is the greatest as compared to Cheetah and Zebras. This is due to suitable conditions for the lions such as food and shelter etc in that jungle of Africa as well as strong competitor and its aggressive behaviour make them successfully survive and increase its population in the jungle.

6 0
2 years ago
1.) What is an organism’s niche?
Anastaziya [24]

Answer:

1.b.) the role that an organism plays in the environment

2. d.) marshes and ponds

3.d.) both positive and negative

Explanation:

6 0
1 year ago
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