He "hardness" of water describes how quickly it heats and cools its attraction to other substances its level of dissolved minerals how much dissolved oxygen it contains

Someone me with this: a mineral' is determined by its actomic structure.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.