<span>The correct answer is Irrigation. </span>
A. Employed young men to help preserve natural resources.
The CCC was the most successful New Deal Program during the Depression. They were, however required to give part of their paycheck back to their families.
Old history work contained mythology. Modern history work covers anything that happened at the last 220 years of human existence(after French revolution).
First you should know that a dependent variable is the one which its values depends of the ones of other variable. In this case, <em>the final mass is the dependent variable</em> because this amount directly depends on how much acid the scientist pours in the initial mass to increase or decrease it. This is also why she remeasures it once the experiment is done.
