Process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
<span>During the Calvin cycle, carbon dioxide is reduced to drive the formation of sugars.
During the process of photosynthesis, a set of chemical reaction that occurs in the chloroplast is known as the Calvin cycle, which is light independent.
Photosynthesis reaction can be divided into two stages that are the light reaction and the Calvin cycle, in the first stage light energy converted to the chemical energy and the second stage use the products of light reaction to produce sugar.
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I think it could be letter B maybe I may be wrong I’m a beginner
A medical patient is suffering from mysterious fainting spells. A medical team works to get to the bottom of the problem and identify the cause. So the correct option is B.
<h3>What is the scientific method?</h3>
The start of a scientific investigation is observation. This means anything that catches the attention of the scientist. For example, for a cancer biologist, a certain kind of cancer might be an observation that can't be treated with chemotherapy and he would wonder why it is so.
For all the sciences, the core is a problem-solving approach which is called the scientific method. There are five basic steps in the scientific method. These are:
- Observation of a phenomenon
- Questioning the reason or cause for it.
- Hypothesizing or giving a testable explanation
- Making a prediction based on the hypothesis.
- Testing the prediction.
- Using the results to develop new hypotheses or predictions.
Therefore, the correct option is B.
Read more about scientific hypothesis, here
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The have been 17 reversals in the span of 4 million years