Whạt layer of the atmosphere helps insulate the planet? A: Mesosphere

B: Thermosphere

C: All the atmosphere layers

D: Troposphere

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.

Are oil and water a mixture or solution

Which of two curves exhibits exponential growth