The answer to your question is B. stressor.
A stressor is an event or situation that causes a strain on your body or mind.
The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B
I'm stuck between 1, 4 and 5.
1) Since it's water there is going to be waterborne diseases, but fixing the pollution in the town seems to be the best option
4.) Enforcing water laws can lower the chance of having waterborne diseases that might happen.
5) Related to #1, it'll help keep the sickness down if it was monitored and reported to local hospitals
Calcium - it helps with bone development
A seizure can be a sign of A. heart attack.
Seizures are changes in the brain's electrical activity that may lead to heart problems.
Poisoning, choking, and third-degree burns have nothing to do with seizures.
