According to the institute of medicine of the national academy of sciences, the physical activity level category of very active is the equivalent of walking at a rate of 3-4 miles per hour daily for how many miles

17

Explanation:

The Institute of Medicine of the National Academy of Sciences states that the Physical Activity Level Category of very active is the equivalent of walking at a rate of 3-4 miles per hour daily for 17 miles

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)