1
pollution that enters water from a wide area such as lawns, fields, roads, etc.
2
increase in nutrients and organisms that is a normal part of a lake's life
3
process in which organism use sunlight, water, and carbon dioxide to make food and oxygen
4
a molecule that has one end slightly negative and the other end slightly positive
5
divided into eons, eras, periods, and epochs
6
water that is underground in layers of rock and sediment
7
pollution that enters water from a specific location
8
part of biosphere that includes lakes, streams, oceans, atomospheric water, groundwater
9
includes precipitation, runoff, evaporation, condensation
10
change in organisms over time due to environmental influence or competition
11
measure of the amount of solids, salt, dissolved in seawater
12
era in which birds, mammals, and flowering plants appeared
13
animals that developed adaptations such as dry, scaly skin that allowed them to move away from water for reproduction
14
formation of weak bonds among water molecules
15
molecule that includes two hydrogen atoms and one oxygen atom
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