instruction:
Given a scientific passage and an answer, generate a question for the given answer.
question:
Passage: The convection zone surrounds the radiative zone. In the convection zone, hot material from near the Sun's center rises. This material cools at the surface, and then plunges back downward. The material then receives more heat from the radiative zone. Answer: convection zone
answer:
Hot material from near the sun's center rises in which zone?

question:
Passage: The atmosphere protects living things from the Sun's most harmful rays. Gases reflect or absorb the strongest rays of sunlight. Figure below models this role of the atmosphere. Answer: the atmosphere
answer:
What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun?

question:
Passage: For example, remember that for the height gene in pea plants there are two possible factors. These factors are alleles. There is a dominant allele for tallness (T) and a recessive allele for shortness (t) . Answer: alleles
answer:
What factors determine the effect of a gene?