2 1.1.4 Quiz: The Scientific Process Question 6 of 10
How is a scientific theory developed?
A. An experiment is repeated several times.
B. Many different experiments are performed and repeated.
C. One scientist proves his hypothesis with an experiment.
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D. A single experiment is performed once.
SUBMIT

Scientific theories are created through the process of the scientific method. Observation and research lead to a hypothesis, which is then tested. ... Over time, a hypothesis can become a scientific theory if it continues to be supported by additional research.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.