Syrups are solutions that have medication dissolved into them.
a. calcium
b. magnesium
c. potassium
d. sugar

D. sugar most syrups dissolve into sugar which is why it is used in most food products

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

Answer the lack of variation in activity can lead to boredom and eventually cause exercise to stop;