Question

Which of the following is made of cells?

A. a rock
B. a snowflake
C. a raindrop
D. a leaf

Answer 1

a snowflake

Step-by-step explanation:

Snowflake Symmetry. All ice crystals (of ordinary 'Ice 1h' that is) have the same basic hexagonal symmetry. The fundamental building block is a unit cell containing four water molecules. Ice crystals can be thought of as made of untold stacks of these unit cells.