Xylem tissue that should help you out
A population will most likely deplete the resources of its environment if the population "increases".
Humans obtain nitrogen by eating other organisms.
Answer: b. reaction 3
Explanation: When an enzyme is present in a reaction acts as a catalyst, increasing velocity of reaction and decreasing the activation energy, when not present an enzyme the reaction velocity is very low and implies high activation energy, being unfavorable to the system
Your answer would be A. Phosphorus