A. oxygen atom
H2 O1
There are 2 hydrogen atoms and 1 oxygen atom
The population of the mice would most likely increase. This is because the number of predators of mice will decrease. Predators are those that feed on others, in this case mice. When predators decrease, the prey (which would be the mice) will be able to populate thus leading to an increase in population.
The part of the brain that performs that function is the hypothalamus.
Increases. With more food available for the secondary consumers, theres less competition for food. This means the secondary consumers can breed successfully with high chance of offspring survival
