Optimal calcium intake throughout life reduces chances of
a. diabetes.
b. breast cancer.
c. osteoporosis.
d. cavities.

Ab+cd-> ad+bc is what kind of reaction

If an older person went to the doctor with a fever, chills, body aches, and a cough, what would the doctor most likely suspect the person has?

There are two main levels of responsibility related to fitness and fire apparatus operations and preventing injuries and line of duty deaths. the first level involves personal responsibility. the second level involves