Answer:
because kerosene and water do not mix but separate into two layers.
Answer:
In the early 1950s, two prominent medical researchers each found a way to protect the world from poliomyelitis, the paralysis-causing disease commonly known as polio. The vaccines created by Dr. Jonas Salk and Dr. Albert Sabin resulted in the near-global eradication of polio
Explanation:
Expression can be influenced by factors that are not genetic.
<h3>What are non-genetic factors?</h3>
Factors that are not part of a person's genetic make-up are referred to as non-genetic factors. These elements include aspects of the surrounding environment as well as aspects of an organism's lifestyle that contribute to its makeup.
It has been demonstrated in a number of studies that the formation of some features is influenced by both hereditary and non-genetic variables.
In the situation described above, both of the monozygotic twins have diabetes, but the lifestyle choices made by one of them causes the condition to manifest itself seventy percent of the time. It's possible that the person is drinking more alcohol and eating more sugar.
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Answer:
One in 14 middle school students has used cigarettes in the past 30 days and one in 4 high school students has used cigarettes in the past 30 days.
Explanation:
Source: CDC 2018