What is the term for sperm together with a thick fluid that nourishes the sperm?.

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere