Answer: solar energy is required from the sun so as the cycle of photosynthesis can be completed
Explanation:
sun is required for photosynthesis
The place where large number of energy is required for cells like in liver , in heart , in legs etc
AT, GC
Explanation:
Adenine (A) pairs with Thymine (T).
Guanine (G) pairs with Cytosine (C).
A - T
C - G
T - A
T - A
G - C
C - G
hope this helps you!