One relationship between organisms is that of predator-prey. Which of the following is the best description of a predator?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements