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Biodiversity is important to maintain stability in an ecosystem. In order to maintain species numbers over time, which two processes must be equivalent? Responses A speciation and extinctionspeciation and extinction B mutation and crossing overmutation an...

True or False? Spanish verbs that change in the present tense that end in -ar or -er do not change in the past tense.

Question 8

2.9824

Does anyone even actually know if that's the real Ms.Sue?

Are these the correct answers? I'm afraid to put them in for my test.

x - 8 ≥ 20

could you give the explanation, but without an excessive use of parenthesis and slashes?

News: bull speared to death a Spanish festival, involving animal rights activists