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What is the missing step in this proof? scroll down to see the entire proof.u

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.