Question: Choose your answer.

How is the stratosphere different from the troposphere?
My Answer: The temperature of the stratosphere warms at higher altitude.

Question: Choose your answer.

Which statement identifies an energy source as renewable?
My Answer: Wind, because it is always available.

Question: Choose your answer.

A scientist is comparing two body cells of a multicellular organism. Which of the following is most likely identical?
My Answer: number of chromosomes

Question: Choose your answer.

Scientists Stanley Miller and Harold Urey sealed water, methane, ammonia, and hydrogen in a flask, to simulate Earth's early environment. They exposed the chemicals to electric charges to simulate lighting. What did the process produce?
My Answer:
amino acids