What area of water serves as nursery grounds for many species of marine fishes and invertebrates?

a. Limnetic areas
b. Pelagic zones
c. Estuaries
d. Benthic zones
e. Photic zones

Which of the following represents a negatively charged ion? of t 7

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.