An hypothesis is a possible explanation for a set of observations or answer to a scientific question. A supposition or proposed explanation made on the
basis of limited evidence as a starting point for further
investigation.
And practically, an hypothesis is used as the basis for further experiments, where the hypothesis is rigorously tested under varying conditions. The hypothesis that is tested and modified under different conditions may become a general
theory
.The hypothesis that has the least number of variables sufficient to explain the phenomenon is preferred.
To prevent cancer, over exposure to radiation
Answer:
Cas9
Explanation:
Genome editing techniques have been developed to exploit the CRISPR system of bacteria and archaea. Only the Cas9 component of the system is used in editing.
It is only active at a pH of around 2 because that is around the same pH as the gastric juices in the stomach which is where pepsin is used to break down proteins.
Answer:
<em>b. Generally, the quality of life is directly related to an area's energy use per person.</em>
Explanation:
The quality of life is directly proportional to the amount of energy being used. The more the amount of energy the more the quality of life will be enhanced. For example, the life of a person who uses much electricity and fuels will be better than the person who cannot use electricity or fuel. Hence, the correct option is b.
