Answer:
safety, cost, and consumer testing.
Answer:i dont think the question even makes sense...
Explanation:very confusing.
They can be found naturally in earth
Answer:
True
Explanation:
Lower resting heart rates indicate cardiovascular fitness. Though lower resting heart rates can also be a sign of a disease or condition, such as bradycardia, generally, it's better to have a lower resting heart rate, as it's a sign of a healthy heart.
