Jill is riding on the highway in the mountains, there is a sign "Beware of Falling Rocks".
What is the process causing the rocks to fall?
A. chemical change
B. wind movement
C. erosion
D. uplift

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

Find the mass in grams of 1.37x1020 particles of h3po4

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.