Astudent designs an experiment to determine the effect of sunlight on plant growth. he or she places three identical plants on three different window sills, which permit different amounts of sunlight exposure. each plant receives the same amount of water each day. what is the responding variable in this experiment? a. plant growth b. amount of sunlight c. amount of water d. type of plant

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.