How does smoking directly affect the cardiovascular system?

Reduces the amount of oxygen that reaches the body's tissues. Increases risk for blood clots. Damages blood vessels. Doubles the risk of stroke (reduced blood flow to the brain)

Answer:

the correct answer is 4 (giveaways to the public)

explanation:

something that is given away or gave out for free. an occasion at which things are given away to free. something that is evident or obvious; something that uncovers a mystery.

it could be be in a form of a lucky draw as well. these the company events gather more audience for their pr and it also increases their ratings as well. this is a way to attract more customers towards themselves.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.