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<span>B.
Charlie should repeat the caliper test because it does not fit with the
other information, and he should start an exercise routine and diet to
reduce his body fat</span>
The correct answer is A (Automobiles).
Particulate matter is a complex mixture of extremely small particles and liquid droplets.
One of the major components of particulate matter is sulphate usually coming from sulphur dioxide found in exhaust fumes that have been produced by automobiles . Other components are nitrates , ammonia, sodium chloride and black carbon.
Other components of particulate matter come from dust, soot, smoke, industrial emissions.
Particulate matter is one of the most common contributor to air pollution.
Answer:
There are 13 minerals used by the human body to maintain health
Explanation:
Minerals are micronutrients used by the human body to perform essential functions such as maintain heartbeat, producing hormones, etc. The 13 minerals used by the human body to maintain health are: iron, calcium, potassium, magnesium, phosphorus, sulfur, sodium, chloride, zinc, copper, manganese, iodine, and selenium, molybdenum, chromium, and fluoride.
Minerals such as iron and calcium are needed at higher levels compared to the other minerals as they are essential for healthy bones and teeth (calcium), and carrying oxygenated blood throughout the body (iron). The 13 essential minerals can be obtained from a healthy and well-balanced diet. However, deficiencies in some minerals might require supplements.
