Lack of sleep or too much sleep
major grade drop
failure to participate in school or habitual activities
I think the answer is A: Medicare
<span>The answer is An appropriate hitch and safety chains should be used. </span>Crisscross the safety chains under the trailer's coupler when attaching them to the towing vehicle. if it becomes disconnected from the towing vehicle. The chains should be strong enough to hold the combined weight of the vessel, engine, and trailer.
The best answer is B. <span>Photochemical smog tends to form over sunny cities. </span><span>The main components of smog are nitrogen oxides,
volatile organic compounds, peroxyacytyl nitrate and tropospheric ozone. Smog
is a mixture of air pollutants which are altered due to exposure to sunlight. </span>
Should be C I think.. because you can lessen the risks of lung cancer, etc. by avoiding tobacco.
