D the discovery of genes changed how scientists think about life
Answer:
The acid bath guy? He's Caucasian and born in England. Is this what you were asking or...?
Explanation:
The correct answer is dynamo theory. The theory that explains the source of Earth's magnetic field is the dynamo theory. This theory proposes the mechanism of a celestial body such as Earth to generate magnetic field.
The Algae. Unless you want to get into the microorganisms that contribute to the algae's growth.
