What measurement do geologist use to find the absolute age of once living things

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.

What is the momentum of a 47-gram tennis ball that is traveling at 40 m/s

Roberto and laura are studying across from each other at a wide table. laura slides a 2.2 kg book toward roberto. if the net force acting on the book is 1.6 n to the right, what is the book acceleration