Besides air pollution, four other important types of pollution are soil, water, waste, and a.
dust
b.
wind
c.
cloud
d.
noise

"Noise pollution is the correct answer. It is one of the four important types of pollution beside air pollution.It is caused by various reasons including but not limited to 1) Sound made by vehicles, 2) Sound at public events by various reasons.It is very harmful, as, it not only can cause damage to the human eardrum but can cause various other disorders like sleep disorder, hypertension etc."

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

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.