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tia_tia [17]
3 years ago
7

Ocean water is about 96.5% water. How many elements make up most of Earth’s ocean water? (Hint: Step 1. Recall and draw the stru

cture of a molecule of water. Step 2. Count the number of unique elements.)
A one

B two

C three

D four
Biology
1 answer:
arlik [135]3 years ago
6 0

Answer:

d

Explanation:

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Why do humans<br> show variation?
Mars2501 [29]

Answer:

gugkugcoytci6r

Explanation:

Causes of Variation:

Causes of differences between individuals include independent assortment, the exchange of genes (crossing over and recombination) during reproduction (through meiosis) and various mutational events. There are at least three reasons why genetic variation exists between populations.

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8 0
2 years ago
Bright sunlight shines in the eyes of a human. This is an example of:
konstantin123 [22]
The answer is external stimulus 
7 0
3 years ago
Read 2 more answers
Neveah’s mass on Earth is 79 kilograms (kg) and her weight on Earth is 110 pounds. The moon’s gravity is about 1/6 of the Earth’
mario62 [17]

Answer:

I believe the answer is A: Neveah's mass would stay the same but her weight would decrease

Explanation:

I believe its A because the moon has about 1/6 as much gravity as the Earth.  So if anything, her weight would decrease, not increase like B., C., or D says.  I hope this is helpful to anyone who reads it!!! ;)

7 0
3 years ago
Will give brainliest to people that help me with these questions
andrezito [222]

Answer:

b

Explanation:

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7 0
3 years ago
4/10
grin007 [14]

The gravitational potential energy of Sara at the given height is 10594.8J.

Given the data in the question;

  • Mass of Sara; m; = 60kg
  • Distance from ground; h = 18m
  • Acceleration due to gravity; g = 9.81m/s^2
  • Gravitational potential energy; U = \ ?

<h3>Gravitational Potential Energy</h3>

Gravitational potential energy is the potential energy an object with mass posessses relative to another object with mass due to gravity.

It is expressed as;

U = mgh

Where m is mass, h is height and g is acceleration due to gravity.

To determine the gravitational potential energy of Sara, we substitute our given values into the expression above.

U = mgh\\\\U = 60kg * 9.81m/s^2 * 18m\\\\U = 10594.8kgm^2/s^2\\\\U = 10594.8J

Therefore, the gravitational potential energy of Sara at the given height is 10594.8J.

Learn more about gravitational potential energy: brainly.com/question/3910603

8 0
2 years ago
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