A. Measure your heart rate before, and after workouts
Answer:
They all seem right but...
Explanation:
I pick option C. The pictures are taken with film that makes the models look flawless.
<em>Please don't hesitate to correct me if I'm wrong...</em>
Around 10 days I think. The world record was 11 days from a 17-year-old highschool student. I can deff relate to that kid.
The correct answer is option D, A Yellow-Brown Haze that forms when sunlight reacts with air pollution.
This above statement is the correct definition of smog.
Explanation:
There are many types of pollution in the air. Some are caused by gases, some are formed by burning of fuels and fossils. Smog is a very intense air pollution.
When fuels are burnt in the air, the atmospheric pollutants and gases are released. These pollutants and gases in the air form Smog. When these air pollutants and gases react with the sunlight or sun heat, a yellow-brown haze like layer is formed. This is called as Smog.
Smog is very dangerous, as it is a form of dense air pollution, it causes many breathing and lungs problems.
Learn more about Air Pollution at:
brainly.com/question/1589472
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