Answer:
a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
The leading cause of death for men and women is: heart disease.
<em>knee is a joint...
knee caps are made up of cartilage ,, so it is connective tissue...
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Secondhand smoke contains more than 7,000 chemicals. Hundreds are toxic and about 70 can cause cancer. ... Secondhand smoke causes numerous health problems in infants and children, including more frequent and severe asthma attacks, respiratory infections, ear infections, and sudden infant death syndrome (SIDS).
Answer:
MARR and the addiction center
Explanation: