Read the sentence. Hearing the key in the lock, the delighted dog dashed to the front door. How is the underlined prepositional phrase used in the sentence?.

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.

Give 2 examples of the sedimentation in the deep ocean?