When air is humid it means that a. it is a particularly cold winter b. typical weather patterns are changing c. there will definitely be rain within hours d. there are a lot of water molecules in the air

D. There are a lot of water molecules in the air

report

explanation:

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.