I believe the answer is a mineral's crystal shape is determined by its atomic structure.
B. Gram
The rest are all English measurements.
The answer would be B) Transfer heat.
Answer:
The correct option is <em>A. Fins are an adaptation that aid in swimming.</em>
Explanation:
Fins are an adaptation which brings about different kinds of locomotion in fishes. They allow fishes to move forward, to turn their bodies, to keep an upright position. They also aid the fishes to swim. Also, there are certain types of fishes which can fly using pectoral fins. However, the fins were first used by fishes for locomotion. There are different types of fins present in different kinds of fishes. Each kind of fin is best suited to perform different actions.
I believe the answer is a