3 part Question How many Stars Are in the galaxy I want a exact Answer 2nd Question WHat Is Science And 3rd question whats a hypothesis

100 billion stars in the galaxy is for the first Question The 2nd Answer is the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment. And the 3rd answer is  A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.

Explanation:

Hope this helps you! :3 ^w^

Question 1: Astronomers estimate there are about 100 thousand million stars in the Milky Way alone. Outside that, there are millions upon millions of other galaxies also!

Question 2: science is the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.

Question 3: A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.

Explanation:

I hope this helps! ^^

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well, they made a movie about how animals lived there.

rotten tomato score 95%

note: mark other user brainliest.!

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation: