Answer:
50 to 100 times each minute.
Explanation:
During activity or excitement, your body needs more oxygen-rich blood; the heart rate rises to well over 100 beats per minute. Medications and some medical conditions may affect how fast your heart-rate is at rest and with exercise
The answer is letter a because that is very true if you get hooked on that it can and most likely will lead to death.
Correct answer choice is :
C) A product of a reaction between nitrogen oxides and volatile organic compounds present in various emissions that can irritate respiratory organs
Explanation:
The ozone layer is a deep layer in the stratosphere, surrounding the Earth, that has huge numbers of ozone in it. Interestingly, it is also this ultraviolet radiation that produces the ozone in the first place. Ozone is a particular kind of oxygen, made up of three oxygen atoms rather than the normal two oxygen atoms. This real sunscreen, identified as Earth's ozone layer, consumes and prevents the bulk of the sun's UV radiation. Within days of the ozone layer's disappearance, many plants would die.
Answer:
To reduce the risk of heart disease, type 2 diabetes, obesity, and some forms of cancer.
Explanation:
