Which of the following is the basis for one concern regarding the broad planting of BT-toxic crops? A. pollinating species will come to prefer BT-modified crops, and will leave non-GMO crops unfertilized
B. species of beneficial pollinators will develop a natural immunity to the BT toxins
C. BT-modified crops may kill pollinators, reducing crop fertility in seed and fruit crops
D. exposure to BT may turn insects into super insects, resulting in things like BT-toxic bee stings

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