Canada must balance the economic opportunities offered by its natural resources with the need to
maintain links to the united states
preserve the environment
protect its borders
maintain high tariffs

the answer is maintain links to the united states

Explanation:

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.

answer called a epicycle;