Why was the concern over global cooling replaced with a concern over global warming?
a. the science community needed a cause to frighten the general population.
b. steady surface temperature increases were noted between the 1970’s and 90’s.
c. air pollution only became a concern in the 1980’s.
d. scientists observed severe ocean acidification.

As specified in the textbook, is a term used to identify concern with the environmental consequences of marketing activities. europe has been at the forefront of this movement with strong public opinion and specific legislation favoring environmentally friendly marketing and products.

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Does water only take one path through the water cycle? (15 points)