How do icebergs form? i think it's a or c but i'm not they form when seawater freezes. they form when groundwater freezes. they break off from the coast of iceland. they break off large ice sheets found at the poles.

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Describe the function of the endomembrane system? what organelles are involved?