Question 7lutiple Choice Worth 3 points) Examine the following diagram Which of the following layers is or are older than layer D?

Which of the following best describes homeostasis? a. keeping the internal environment in a stable state b. keeping the external environment in a stable state c. beneficial characteristics resulting from mutation d. reproduction that results in offspring identical to the parent.

Match with o for organic and i for inorganic for each compound

In which state was more than 100 billion tons of coal mined in 2005?