Answer:
Option-A
Explanation:
The American College of Sports Medicine (ACSM) now does not create the physical guidelines of their own instead produces the guidelines produced by the Physical Activity Guidelines for Americans.
The guidelines are different for different age groups and for the adults which is the group which likes doing physical training, the guidelines suggest that a person should do either 2.30 hours to 5 hours of the moderate exercise per week or 75 minutes to 150 minutes vigorous exercise per week.
In the given question, the most suitable option which follows the guideline of the ACSM is option-A.
Thus, Option-A is the correct answer.
<span>a. ) Design an experiment to test the new hypothesis</span>
Pollution can come from both natural sources and human activities depending on the type of pollutant.
<h3>What is pollution?</h3>
It is the release of substances into the environment to the extent that the well-being of plants, animals, and humans starts getting affected.
Substances that are released into the environment to the extent that they start affecting the organisms in the environment negatively are known as pollutants.
Pollutants can come from natural sources or as a result of human activities.
For example pollutants such as oxides of sulfur, methane, carbon dioxide, etc. can come from natural processes such as volcanic eruptions, activities of microbes, etc.
Pollutants such as oxides of carbon and sulfur can also be generated as a result of human activities such as the burning of coal, technological inventions, etc.
More on pollution can be found here: brainly.com/question/23857736
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