James took two pea plants, placing one in a dark closet and the other on a sunny window sill. both are located in air conditioned rooms. he then measured
the growth of the pea plants after a week. in this experiment sunlight is a(n)

a. independent variable

b. constant

c. dependent variable

d. control

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

The heliocentric and the geocentric models of the solar system included these central principles