Answer:
a is the answer the the following question
Answer:
Nucleus
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Nucleolus
a small dense spherical structure in the nucleus of a cell during interphase.
A frog... (Egg,tadpole,froglet,adult)
Answer:
b.
Explanation:
They receive more solar energy than the poles..
This formatting of rock is called a sedimentary rock