Apiece of limestone erodes due to acid rain. this process can be best described as a
slow chemical change.
rapid chemical change.
slow physical change.
rapid physical change.

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

How are isotopes of the same element alike?

Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?