The diagram shows the life cycle of a dragonfly. The adult stage occurs out of water, and the fertilized egg and
nymph stages occur in water.

Which two effects might a drought have on the life cycle of a dragonfly?
A. Extra-large nymphs from overeating
B. Fewer surviving nymphs, because of dried-out eggs
c. A lack of food for developing nymphs
D. A population explosion from too many nymphs

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.