Answer:
<em>70% to 85%</em>
Explanation:
During exercise, our heart tends to beat faster so that more oxygen could be supplied to the cells. The level of the intensity of the physical activity interprets how faster the heart shall work to meet up the supply.
The American Heart Association suggests that the heart rate shall increase by 50% to about 70% for moderate type physical activities. The American Heart Association also suggests that the heart rate shall increase by 70% to about 85% of the normal heart rate for high intensity exercises.
Answer:
Option C:-Syphilis and hepatitis b are the most common STI's in the United States is the correct answer.
Explanation:
Here, in this question we are given four statements Sexually transmitted infections (STIs) are infections or diseases which are shared with an infected partner during casual sex.
And because we know that STI is a disease and this condition is caused mainly by syphilis and hepatitis b, that's why the "choice c ,i.e., syphilis and hepatitis b are the most prevalent STI's in the US.
Take a shower? Is this a multiple choice question? Lol
eliminate Because it is hard to eliminate serious diseases like cancer.
I hope this helps:)