What are the chemical building blocks needed for life?

(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.

Which u. s. state lists the horned toad as its state reptile?

How did the work of farmers and breeders in england influence the work of charles darwin