Question: Choose your answer.

Which is a feedback mechanism the human body uses to maintain homeostasis?
My Answer: perspiring to lower the body temperature

Question: Choose your answer.

A student measures the growth of a group of plants given different amounts of fertilizer. Which data display should the student use to compare the growth of the plants?
My Answer: line graph

Question: Choose your answer.

This in turn causes the average temperature on Earth to rise. Which of the following observations supports that theory?
My Answer: Carbon dioxide in the upper atmosphere absorbs and re-emits heat radiated from Earth's surface.

Question: Choose your answer.

A 10 g sample of aluminum and a 10 g sample of iron were each heated by 100 joules of energy. The temperature of the aluminum sample rose 11C, while the temperature of the iron sample increased 23C. Which statement best accounts for these results?
My Answer:
The specific heat of iron is less than that of aluminum.