Answer: Probably, harder the mineral it scratches. It makes more sense.
Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct.
120 is whieght and 3.5percent
Natural ResourcesZion volunteers working in the plant nursery<span>Air Quality Geologic Features and ProcessesPaleontological Resources North Fork Virgin River – Main Canyon Other Rivers and TributariesWild and Scenic River Plant CommunitiesWildlife Communities Special Status Species Ecosystem Processes and Land Status Dark Night Sky <span>Acoustic Environment
</span></span>
