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spayn [35]
2 years ago
12

1 2 3 4 5 6 7 8 9 10

Biology
1 answer:
frez [133]2 years ago
5 0
Observation experiment
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Need help asap <br> - 20 points , includes .
blsea [12.9K]

Answer:

D

Explanation:

Everything in there pollutes the environment.

8 0
3 years ago
imagine a model of a cell shaped like a cube.Calculate the ratio of surface area to volume for a cell model measures 3 cm on eac
Svet_ta [14]
Smaller cube (1 cm X 1 cm X 1 cm) 

<span>The surface area of one side = 1 cm X 1 cm = 1 <span>cm2</span></span>

 

<span>There are 6 sides, total SA = 6 X 1 <span>cm2</span> = 6 <span>cm2</span></span>

 

<span>Volume = 1 cm X 1 cm X 1 cm = 1 cubic cm (1 <span>cm3</span>)</span>

<span>Surface to Volume Ratio = 6 <span>cm2</span>/1 <span>cm3</span> = 6 <span>cm2/cm3</span></span>


Larger cube (6 cm X 6 cm X 6 cm) 

<span>The surface area of one side = 6 cm X 6 cm = 36 <span>cm2</span></span>

 

<span>There are 6 sides, the total SA = 6 X 36 <span>cm2</span> = 216 <span>cm2</span></span>

 

<span>Volume = 6 cm X 6 cm X 6 cm = 216 <span>cm3</span></span>

 

<span>Surface to Volume Ratio = 216 <span>cm2</span>/216 <span>cm3</span> = 1 <span>cm2/cm3</span></span>

<span> </span>


8 0
3 years ago
Four critical nutrients essential to sustain living organisms are?
Sophie [7]

Answer:

carbohydrates, proteins, fats, vitamins, and minerals

Explanation:

7 0
3 years ago
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Enzymes ______ chemical reactions.<br> A: speed up<br> B: Slow down<br> C: Don't change
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Enzymes speed up the chemicaal reaction .
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3 years ago
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Does a substance in a solid state of matter have a definite shape and a definite volume?
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They cannot move freely but they can vibrate
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