The ozone layer is located in what atmospheric level? a. troposphere b. stratosphere c. mesosphere d. thermosphere

Where can you find prokaryotic and eukaryotic cells?

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius