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olchik [2.2K]
3 years ago
9

Organelles which are found only in plant cells. Why do plant cells need these two,

Physics
2 answers:
aleksandrvk [35]3 years ago
8 0
In a plant cell there is a cell wall for the plant cell to keep a firm shape and chloroplasts contain a green pigment called chlorophyll which is used in plant cells for the process of photosynthesis while animals do not perform the process of photosynthesis therefore the do not need chloroplasts
I hope this answer helps you
ddd [48]3 years ago
3 0
My guess is they need it to turn co2 into oxygen
 
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Answer:

c. I-O psychology.

Explanation:

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Which two options are forms of potential energy
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4 years ago
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Find the circumference of a circle whose area is 452.16 square meters. (Use 3.1416 as the value of .)
kakasveta [241]

1) The area of a circle is given by

A=\pi r^2

where r is the radius of the circle. In this problem, we are told that the area is

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r=\sqrt{\frac{A}{\pi}}=\sqrt{\frac{452.16 m^2}{3.1416}}=12.0 m


And now we can find the circumference, by using the formula:

c=2 \pi r=2 \pi (12.0 m)=75.3984 m

Therefore, the correct answer is D. 75.3984 meters.



2) The volume of a cube is given by:

V=L^3

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V=L^3=(6 cm)^3=216 cm^3


and so, the correct answer is A. 216 cu. cm.

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4 years ago
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