Aneutral atom of aluminum has 13 protons and electrons. (enter a whole number.) numerical answers expected! answer for blank 1:

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b. through genes c. through seasonal cycles d. through hibernation