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Nikitich [7]
3 years ago
6

Without the sun, life on earth would not exist. There would be no warmth, no plants, no animals, no night and day. To power itse

lf, the sun is constantly generating a nuclear reaction in its core, in which hydrogen nuclei are combined to form helium. This process is known as fusion, and __________ a massive amount of energy.
Physics
2 answers:
Sedaia [141]3 years ago
6 0

this process is known as fusion and radiance

blondinia [14]3 years ago
5 0

Answer:

Releases

Explanation:

Nuclear fusion is a process where nuclei of lighter elements are fused together to make a heavier element. In this process a huge amount of energy, nuclear energy, is released. The Sun also gets it energy from the same process. In its core, where temperature is around 15 million kelvin, hydrogen nuclei fuse together to make helium.

This process is proposed to be used to generate power on Earth as well. But till now no efficient system has been developed. As fusion can only start under certain condition. Inside the core such conditions occur naturally.

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Which of the following would increase the elastic force acting on that object
olga_2 [115]

Answer:

Which of the following would increase the elastic force acting on that object? Moving a spring to an unstretched position. Compressing a spring twice as much as its starting position.

Explanation:

4 0
3 years ago
Read 2 more answers
Foods that allow microorganisms to grow are called parasites. true or false
Bas_tet [7]
<span>False. Foods that are improperly stored become what is known as a growth medium for microorganisms. These foods can be dangerous to humans and animals, and while they may cause an internal parasite to be able to grow, such as a tape worm, they are not in and of themselves parasites. Parasites are an organism that feeds off of, or is parasitic, and sustains life from another living organism. Such as a flea feeding off the blood of a dog or cat.</span>
8 0
4 years ago
True or false: the energy that is related to moving parts is called electrical energy
NemiM [27]

False, that would be kinetic energy.

3 0
3 years ago
If a member of the LGBTQ community wears pink clothing and displays triangles and images of a rainbow, they are exemplifying wha
Katyanochek1 [597]

Answer:

The correct answer is - separation.

Explanation:

Communication practice is the ability to the explaining or showing emotions in various ways such as reading, talking, expressing, performing, writing, and witnessing or showing signs.

Separation is an example of communication practice with that in this case LGBTQ community showing their expression that they exist and different from others by displaying rainbows and wearing pink clothing.

Thus, the correct answer is -  separation.

7 0
4 years ago
The position-time graph for a bug crawling along a line is shown in item 4 below. Determine whether the velocity is positive, ne
Naddika [18.5K]

Answer: The velocity at different marked time points are given as

t1 = -

t2 = +

t3 = +

t4 = -

t5 = 0

Explanation:

The slope of the tangent of the curve indicates the instantaneous velocity. So if the slope of the tangent is positive, that Is, the tangent makes a positive angle (above the horizontal axis) with the horizontal

axis, then the velocity at this point is positive, and if the slope of the tangent is negative, that is the tangent makes a negative angle with the horizontal axis (below the horizontal axis), then the velocity at this point is negative.

When the tangent of the line is parallel to the horizontal axis, the velocity is 0.

From the position-time graph attached, the sign on the instantaneous velocity for each time marked on the graph is given below

t1 = -

t2 = +

t3 = +

t4 = -

t5 = 0

QED!

5 0
3 years ago
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