Which is the best description of the movement of electrons?
O A. Electrons orbit the nucleus.
OB. Electrons move toward the nucleus.
OC. Electrons move away from the nucleus.
OD. Electrons do not move.

A

Explanation:

electrons hang out and orbit the neucleus bc they are negativle charged

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.