Biology, 03.07.2019 19:40 hockeykid7583
What is one negative effect of human influence on cycles of matter? a. decreased soil nitrogen due to the harvesting of crops b. decreased amount of carbon in the atmosphere due to deforestation c. reased global warming due to the use of alternative energy sources d. reased amount of water that is available to freshwater ecosystems
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Biology, 21.06.2019 16:00
Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids
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Biology, 21.06.2019 22:30
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
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Biology, 22.06.2019 11:30
What materials must dams have to produce electricity, and what must occur?
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Biology, 22.06.2019 19:30
When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.
Answers: 1
What is one negative effect of human influence on cycles of matter? a. decreased soil nitrog...
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