Which of the following is the biggest threat to the monarch butterflies annual migration?
a. illegal logging
c. airplanes
b. cold winters
d. new predators

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

In the practice of science, this type of reasoning is used to develop explanations.

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?