C is the correct answer buddy. exergonic is a net release of free energy and opposite for endergonic.
when two answers come you can mark brainliest. thank you.
Answer:
B: a population’s age-sex structure
Explanation:
A population pyramid is a way to visualize two variables: age and sex.
They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population. Expansive pyramids mean that the population does not increase much in total number and has many young people.
Hope this helps! Info from National Geographic, I would trust it if I were you!
A) I think its " They supply cells with nitrogen" I dont believe thats true
