The gram-formula mass of no2 is defined as the mass of.

Sat no calculator section question in the picture

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.

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water