The correct answer is methylation.
This process refers to the addition of methyl groups to the DNA molecule, when the activity of such DNA segments is slightly altered. The more we age, the less methylation there is, which is why the genes of the elderly are different from those of young people.
A sticker chart designed to reward a child for every ten stickers earned for doing household chores is an example of a <u>token economy</u>.
<h3>What is a
Token Economy?</h3>
This is a widely used method to treat children with Attention Deficit / Hyperactivity Disorder, which seeks to reinforce a specific capacity or habit in the child.
The method consists of agreeing with the child a series of activities which will have as a reward a token or other symbolic element, with which after accumulating a certain number, the child will be rewarded.
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Temperatures in heavily populated South Asia will exceed habitable levels by the end of this century without efforts to stem manmade climate change, according to new research.
Researchers behind the study, published in the journal Science Advances, found that 4% percent of the South Asian population is expected to experience temperature and humidity conditions in which humans cannot survive without air conditioning by 2100. Three quarters of the population will experience environmental conditions considered dangerous, even if not downright unlivable.
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