Which weathering process uses a solvent to wear things down? A. Moving air

B. Moving water

C. Freezing ice

D. Plants and animals

1.cause they have wings

2.cause they are insects

3.cause they are

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

the answer is b & c i believe : )