Answer:
c. Control is needed to reduce the effects of confounding or extraneous variables on the variables being studied.
Explanation:
A control is an observation or an experiment is designed to reduced the effects of the variables other than the independent variables. This will increase the reliability of the results. It also reduces the confounding effects on the various variable that is being studied.
Hence the correct option is (c).
Uhh Please source a picture
The correct answer is value
Explanation: Cultural values is a set of characteristics that define someone, regarding their ideas, beliefs, customs and habits. The cultural values of that people are different from ours, as we have totally different ways of living and thinking.
Answer:
Gasoline prices tend to increase when the available supply of gasoline decreases relative to real or expected gasoline demand or consumption. ... Even when crude oil prices are stable, gasoline prices fluctuate because of seasonal changes in demand and in gasoline specifications.
C Demand
Explanation: