Hurricane katrina was a catastrophe, contributing to the problem was subsiding of the region from 3 to 12 feet per 100 years. Which one of the following is not a cause of this subsidence? A)
Extraction of ground water
B)
Extraction of oil and gas
C)
Loss of fresh waterwetlands
D)
Lack of tall tress such as cyprus
E)
Building on hilly areas

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