C. chewing tobacco can cause cancer
hope this helps (:
Answer:
Subtract your heart's resting rate from your maximum rate. For example, if you are 40 years old, subtract that number from 220; your maximum rate is 180. Next, subtract your resting rate or 80 in this example. Your heart-rate reserve is 100 beats per minute.
The most likely cause of death in 1900 would be pneumonia/influenza, while the leading cause of death in 2006 was heart disease. ... Heart disease and cancer were two of the most common causes of death in 2006.
Vascetomy for males. This makes it impossible to reproduce.
