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In this study, the scientists studied glaciers and their nearby rivers in Alaska. The water coming from glaciers can be…
In this study, the scientists studied glaciers and their nearby rivers in Alaska. The water coming from glaciers can be quite old and contain nutrients, such as carbon, that could...

Learn about the many benefits that different types of forests provide.
Learn about the many benefits that different types of forests provide.

Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…
Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into a pasture so that cattle can be raised for human consumption. When...

Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…
Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into a pasture so that cattle can be raised for human consumption. When...

Plague is an infectious disease that is transmitted to other mammals by fleas. Prairie dogs are particularly susceptible to plague.…
Plague is an infectious disease that is transmitted to other mammals by fleas. Prairie dogs are particularly susceptible to plague. The scientists in this study were interested in figuring out...

Test your knowledge on anaerobic, climate, and the greenhouse effect.
Test your knowledge on anaerobic, climate, and the greenhouse effect.