<span>The correct answer is C. respiratory ilness. Ozone is useful when it's up in the air and protects us from Ultra Violet lights. If it's on the ground it can inflame our respiratory systems and even damage them causing people to develop asthma or other types of lung diseases, sometimes even including cancer.</span>
C should be the right awnser if not than its B
What a coincidence i do too someone help
Answer:
B. QRS wave
Explanation:
The position of QRS wave on an electrocardiogram corresponds with the point of highest blood pressure in the vessels leaving the heart. Hence, option (b) is the correct answer.