Answer:
0.5 Hz
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I think it’s C b/c it works for me
Answer:
Wolves are a keystone species because they are so important to the ecosystem that their removal causes a catastrophic disequilibrium.
Explanation:
Wolves are the predators available in the environment but they exist in relatively less number while comparing it with another species of animals. Wolves influence their pray which are influenced by plants. Thus, They are so important to the ecosystem that their removal causes a catastrophic disequilibrium.
Have everything in control and in order and discuss about different issues.
I think it is either A or B. I’m mostly leaning towards B.
