Can you help me with a science test

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

Most of the volume of an atom is occupied by the