A. Venus
B. Asteroid
C. Comet
D. Uranus
Hello!
The best representation is "C. A cactus is moved from a sunny windowsill to a dark room..", because the cactus feed itself with photosyntesis.
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I'm not sure how exactly you wanted this question to be answered. You're either talking about the symmetry where animals would have two legs or two arms for example and thus producing a pair of each muscle on both sides of the body, or you're refering to the development of agonistic and antaonistic muscles where each of them served a different purpose; either extending or contracting.
1/2 of a radioactive substance will remain after 3 half lives.
Answer:
mitochondria
Explanation:
mitochondria makes energy from glucose and water
