How much water is there on Earth, and how much is available for human usage? Use in your answer the concept that Earth's water budget is just 100 liters
What will be an ideal response?
If we assumed that the total amount of water on the Earth is 100 liters, only about 3 liters would be freshwater and thus readily usable; of that, only a mere 0.003 liters is available for human use.
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In the same field, hawks hunt during the day for mice and owls hunt during the night for mice. Which type of species interaction is this?
A. resource partitioning B. parasitism C. interspecific competition D. commensalism
By the end of this century, polar bears might be found only in ___________
Fill in the blanks with correct word
How deep is the Photosphere?
A) 300 meters B) 500 meters C) 300 km D) 500 km
The Southern Hemisphere is dominated by maritime influences, whereas the Northern Hemisphere is dominated by continentality
Indicate whether the statement is true or false