Which of the following is an example of using the scientific method with a natural experiment? answera. measuring how long it takes a marble to fall from a ten story building. b.comparing plant growth with and without a soil additive. c.tracking the price of oil when a war in the middle east interrupts the flow of crude oil. d.observing the reaction when two chemicals are mixed together.

Answer is C. Tracking the price of oil when a war in the middle east interrupts the flow of crude oil.

Explanation:

Scientific method is a kind of carrying out research for identifying and subsequently solving a problem. it can also be explained as series of steps in using scientific investigations for answering issues about the nature.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.