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In order to keep up with the food demands of an increasing human population, farmers use fertilizers and other agricultural
technologies to grow and harvest more food. How do fertilizers negatively impact
the environment?
OA. The rate of nutrient depletion increases in soil that has been fertilized.
OB. Run-off from fertilized land increases nitrogen levels in ecosystems and encourages algal growth.
OC. Fertilizers are difficult to apply and require heavy machinery which damage land.
OD. Fertilizers allow crops to grow bigger and faster, so they can feed more people.
Answers: 2
Biology, 21.06.2019 17:30
In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases
Answers: 1
Biology, 22.06.2019 00:30
Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results
Answers: 3
Biology, 22.06.2019 07:00
Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4
Answers: 3
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In order to keep up with the food demands of an increasing human population, farmers use fertiliz...
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