11. The amount of carbon dioxide in the atmosphere has been increasing. If this trend continues, what will happen to the temperature of the atmosphere?
A. The atmospheric temperature will increase.
B. The atmospheric temperature will decrease.
C. It will not have an effect on the temperature of the atmosphere.
D. It will cause a short-term drop in temperature, before the temperature retums to normal

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Which of the following is a testable hypotheses?