The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of 3.1 m/s, what is the largest value that the radius r can have if the car is to remain in contact with the circular track at all times

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.

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

What component of earth’s atmosphere exists entirely as a result of photosynthesis?