How can local environmental changes have global effects?
a. organisms can move from one environment to another.
b. air and water move from region to region.
c. increased carbon dioxide in one location can cause increased temperatures in other locations.
d. all of the above are true.

Are characterized by dry conditions, limited vegetation and wide temperature range. a.) tropical rain forests b.) deserts c.) grasslands d.) none of the above

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.

As water is cooled from 4 to 0, its density