Which statements help explain this result? Check all that apply.

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

What are atoms of the same element with varying number of neutrons

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •