What happens during primary wastewater treatment? choose one: a. insoluble particles are removed by settling. b. microbes are added to oxidize organic compounds to carbon dioxide. c. the wastewater is pumped into drinking water reservoirs. d. the wastewater is chlorinated to eliminate pathogens.

What prevents odyssey from killing the sleeping cyclops

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

(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.