How did crowther's research affect the billion tree campaign? -this is from my i-ready

As he did for tree numbers, Crowther drew on other researchers' data. He plotted the results of 49 experiments and found a trend: Warming soils lost carbon, and the more carbon a site held, the more it lost. ... The result would be, he said, like adding emissions from an additional United States to the atmosphere

the third answer is correct (c).

the laws that regulate the financing of political campaigns seek to guarantee the smoothness of funding so that there is no abuse of electoral economic power and to avoid the capture of future politicians by the donors.

this is because donor agents have their private interests that are not necessarily the same interests of the society that elected politicians must defend.

thus, interest groups should seek their interests within the legality of lobbying practices that are regulated.

answerthomas malthus wrote an essay on the principle of population;

hope this ,(malthus)