Relative Stability of Precipitates and Complex Ions of Cu(II)

Who can you think of that has an a in their first name and a b in their last name?

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities

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.