Identify an independent variable in the experiment graphed in figure 1.

Explain how earth is like a giant bar magnet. how is our magnetic field made?

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers