Answer:
A group comparison study
Explanation:
In group comparison study, an experiment compares two groups(the beareaved and nonbeareaved adults in the above study) such as in testing the effects of a treatment where a "comparison group" receives either an alternative treatment or no treatment so that it functions as a source of "counterfactual" causal inference for the purpose of the experiment.
Answer:
D) He believed it should be financed with money from the national transportation system.
Explanation:
The American System was an economic plan written by Henry Clay and other leaders, John Calhoun and John Quincy Adams, with the goal of improving and unifying the American nation. The program consisted of many measures, such as tariffs to protect the factories of America, creating a national bank with a single currency to facilitate trade and develop the infrastructure of the country as well.
These tariffs would raise funds so that internal improvements could be made, transportation would be one of them. He suggested that the national transportation system should be funded by the national transport system
Water is not made artificially, so when we get rid of water or pullute it, we are losing that natural recource, therefore making it limited.
<span>By strengthened federal government</span>