What are the sources of water on earth?

there's no options. i have to write it down on my own.

any ? would be really appreciated : )!

Average annual precipitation and are the two major features that define the biomes on earth.

What’s the student’s scientific question

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present