B would be the most obvious option.
Answer:
Target Heart Rate
Explanation:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.
Answer:
ITs all of the above cuz u need all of it to get better
Explanation:
Answer:
y chromosome is responsible to determined the sex of the child
x chromosome don't determined the Sex of the child
HI, the answer is A) their parents