Which of the following biological theories of aging states that people age because their cells' normal metabolism produces unstable oxygen molecules?.

Which of these is not a function of shock absorbers?

Factor out the greatest common factor. minus − 14 14p3 plus + 10 10p2 plus + 4 4p

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.