You drop a rock down a hole. You hear the rock hitting the bottom of the hole 2.5 seconds after you dropped it. What was the rock's acceleration? *

Air flows upward in the wick of a lantern because of the liquid property called

How do we measure or think of speed in the united states?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.