Answer:
c. is a biotic factor within an ecosystem
The light ray bends toward the normal when entering water
Answer:
Sediments from a river bed are carried downstream, creating a deep, narrow channel.
Explanation:
the water played role in forming the channels. Broken English sorry!
Answer:
bottom of the periodic table
Explanation:
Answer:
The traits of a living thing depend on the complex mixture of interacting components inside it. Proteins do much of the chemical work inside cells, so they largely determine what those traits are. But those proteins owe their existence to the DNA (deoxyribonucleic acid), so that is where we must look for the answer.