Keith Nolan was moving through the ROTC training successfully until it came time to pass to the third ROTC level. What was the specific part of moving from the second to the third level that stood in his way?

Acar averages 22 miles per gallon. if gas costs $2.89 per gallon, which of the following is closest to how much the gas would cost for this car to travel 1,650 typical miles?

We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

Summarize the work of famous environmental scientists of the past.