Answer:
The sentence that begins the introduction of this article excerpt is In 2008, more than one million American students gave nearly 20 million service hours to their communities
Explanation:
The introduction of any kind of written work has to be made with a topic sentence, this kind of sentence is always the first or second sentence in a paragraph, each paragraph has a topic sentence of the first paragraph the one that introduces the main idea of the complete work, in this case for the full excerpt that would be "In 2008, more than one million American students gave nearly 20 million service hours to their communities"
D., My appointment is scheduled for Monday, July 4....
Answer:
. Vulnerability to
develop an addiction to drugs is dependent on genetic, environmental, social and
biological factors. In particular, the interactions of environmental and genetic factors
indicate the significance of epigenetic mechanisms, which have been found to occur in
response to illicit drug use or as underlying factors in chronic substance abuse and
relapse. Epigenetics is defined as the heritable and possibly reversible modifications in
gene expression that do not involve alterations in the DNA sequence. This review
discusses the various types of epigenetic modifications and their relevance to drug
addiction to elucidate whether epigenetics is a predisposing factor, or a response to,
developing an addiction to drugs of abuse.
It can be because of stress, or because they are abused at home.
It can also be peer pressure.
Just write about an important thing that happened in your life
