What is the precipitate in the following reaction?
bacl2(aq) + na2so4(aq) → baso4(s) + 2nacl(aq)
o a. na2so4
o b. baso
o
c. bacl2
o d. naci

Which of the following human activities resulted in the growth of the north american deer population?

(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.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing