Which would be the least likely source of when the stresses and problems in you life are to much to manage
a) your parents and siblings
b) you friends who are using drugs
c)the school or nurse
d )a national drug abuse hotline

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.