Mr. martin's spanish class is 45 minutes long. if it starts at 3: 30, what time does it end?

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.

Will mark brainliest how many electrons can be held in the energy level n = 4?

What’s the theoretical yield of solid lead