Answer: a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Explanation:
Answer:
OD is the correct answer Hope you get a good test grade It is Use a barter system .
Explanation:
I believe that the Korean War started when the North Korean Communist army crossed the 38th Parallel and invaded non-Communist South Korea.
The Sugar Act reduced the rate of tax on molasses from six pence to three pence per gallon, while Grenville took measures that the duty be strictly enforced.
Answer: B
Explanation: The U.S. dollar was no longer backed by gold.
