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Irina-Kira [14]

3 years ago

14

Describe the organism that scientists believe was responsible for changing the composition of the early atmosphere. What is it c

alled and how did it change the atmosphere? Why was this change to the atmosphere so important?
Enter your answer in the space provided.

1 answer:

yan [13]3 years ago

6 0

Prokaryotic organisms were believed to.

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A 0.68 kg squirrel is resting on a branch 8 meters above the ground. What is the gravitational potential energy of a squirrel? A

ANEK [815]

Answer:

The gravitational potential energy of a squirrel is 53.312 J.

Explanation:

We have,

Mass of a squirrel is 0.68 kg

It is placed at a height of 8 m above the ground.

It is required to find the gravitational potential energy of a squirrel. It is possessed by an object due to its position. Its formula is given by :

$E=mgh\\\\E=0.68\times 9.8\times 8\\\\E=53.312\ J$

So, the gravitational potential energy of a squirrel is 53.312 J.

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A basketball player jumped straight up to grab a rebound. If she was in the air for 0.80 second, how high did she jump?

Kazeer [188]

-- She went up for 0.4 sec and down for 0.4 sec.

-- The vertical distance traveled in gravity during ' t ' seconds is

   D = (1/2) x (g) x (t)²

   = (1/2) (9.8 m/s²) (0.4 sec)²

   = (4.9 m/s²) x (0.16 s²)

   = 0.784 meter ( B )

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Kipish [7]

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Mariana [72]

I think the answer to your question is wind and distance

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satela [25.4K]

The Kilauea in Hawaii

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