Which of the following is an advantage of solar power as a source of electricity?

a. it uses a free energy source that will not run out.
b. it is less expensive than most other kinds of fuel.
c. it works equally well in every kind of weather.
d. it depends on nontoxic materials for solar cells.

the correct answer is a.

In a repredentive democracy: a.) people come together in large meetings to vote on public policy b.) the people govern themselves c.) political power is held by a small group of people d.) people elect officials to run the government for them

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

Many rivers in central asia come from