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

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous