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3 years ago

Living on land required that plants ____.

2 answers:

8 0

I think it would be to exchange gases. When you think about it, plants in the past were always underwater. They didn't have any air. Now, they are on land and need to be able to exchange gases from the leaves to the roots.

Hitman42 [59]3 years ago

7 0

B. Conservar Agua

<h2>ThAnKs YoU 4 Da LiKe YoUr AbOuT tO dRoP</h2><h2>gimme dat like ;p</h2>

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3 years ago

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4 years ago

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3 years ago

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3 years ago

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Which law might require you to do some math calculations?

Vadim26 [7]

Answer:

Law 2

Explanation:

Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.

Mathematically, it is given by the formula;

$Force = mass * acceleration$

Hence, Law 2 might require you to do some math calculations.

For example, an object having a mass of 20kg is pushed by John and it then accelerates down the inclined plane at a rate of 0.5m/s². Find the force applied on the object.

Given the following data;

Mass = 20kg

Acceleration = 0.5m/s²

To find the force;

Force = mass * acceleration

Substituting into the equation, we have;

Force = 20 * 0.5

Force = 10 Newton.

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3 years ago