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user100 [1]
3 years ago
7

What biological molecules provide energy and structural support to living organisms?

Chemistry
1 answer:
Romashka [77]3 years ago
3 0

Answer:

Option D: Carbohydrates

Explanation:

Carbohydrates are a group of macromolecules that are a vital energy source for the cell, provide structural support to many organisms, and can be found on the surface of the cell as receptors or for cell recognition.

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I am so confused that i don't even understand how to answer it
maksim [4K]

Answer:

What's the question so I can help?

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Explanation:

4 0
2 years ago
What causes pressure inside a helium balloon?
kupik [55]

Explanation:

So the gas pressure of a helium balloon arises from the impact of the collisions of the helium atoms between themselves and with the inside surface of the balloon. Of course, the outside atmosphere similarly exerts a pressure on the outside of the balloon.

7 0
3 years ago
A 30ml sample of a liquid has a mass of 50 grams. What is the density of the liquid?
mash [69]

Answer:

<h2>Density = 1.67 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

Density =  \frac{mass}{volume}

From the question

mass = 50 g

volume = 30 mL

Substitute the values into the above formula and solve for the density

That's

Density =  \frac{50}{30}  \\  =  \frac{5}{3}  \\  = 1.66666...

Wr have the final answer as

<h3>Density = 1.67 g/mL</h3>

Hope this helps you

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3 years ago
How many moles of water are produced from 13.35 mol of oxygen?
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Answer:

The answer is 26.70

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2 years ago
Closing statement: In three to four sentences explain how your plant rankings could protect the dunes.
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