Biology, 19.03.2021 18:50 allieliquori
. Students decide to remove the litter from an abandoned park and plant trees. Which of the following observations provides the best evidence that the action of the students has had a positive effect on the health of the park ecosystem?
A. The number of human visitors decreases.
B. The level of yearly precipitation increases.
C. The number and diversity of animals increases.
D. The average daily high temperature decreases.
Answers: 1
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Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.
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. Students decide to remove the litter from an abandoned park and plant trees. Which of the followin...
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