What conclusion can you make about how the carbon dioxide level has changed over time?

The level has not changed.

The level of CO2 has declined.

The level of CO2 has risen.

The level has reached its maximum.

Explain how changes in weather are caused by the interactions of air masses

Which of the following can lead to coral bleaching? a. long-term temperature variations b. increased solar radiation c. freshwater dilution d. all of the above

What do muscles form after being exercised extensively?

A storm that produces lightning and thunder is

How the geosphere affects other Earth spheres?

In what type of mine would a rock burst most likely happen? an above-ground biomining site using mine waste a large longwall mine an open-pit mine with a large tailing pond a strip mine near a water supply

Which factor has most likely affected the high fertility rate in Africa? A. Good medical care B. Strong economy C. Lack of education D. More birth control

What is one of the products of cellular respiration?

46 chromosomes blank human gets blank from each parent

The cyst form of an amoeba: A. can live outside the body B. is covered in a protective case C. can infect a person with amebiasis all of the above