Answer:
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Explanation:
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
The answer would most probably be letter b. unpredictable
The early start of the 1920’s had brought the US to an era of prosperity due to the industrialization of many factories in the US. By 1929, there was a big shift in the economy. The stock market crashed and led to the economic recession in the US.
The correct answer is everything is held constant except for one variable
Controlled experiment is the scientific experiment that is carried out under conditions that can be controlled. It is done in two groups or samples where they are compared for the hypothesis test, being the experimental group and the control group.
The control group will not receive any intervention and aims to be the comparative element with the experimental group. The experimental group is the one where the variable is tested.
