Answer:
Mouth is the first portion of the alimentary canal that receives food and produces saliva.
The answer is: Gravity
Attraction to the earth, if there was none we would be floating
Answer:
This would be the Waste Water Treatment act of 1972. This ensured that sewage was treated and not released into bodies of water which would eventually end up in our drinking water.
Explanation:
<span>After strenuous exercise, a muscle cell would contain decreased amounts of ATP</span>
Estrogen, the metal Mercury tricks your body into thinking it is the chemical Estrogen
*I'm not really sure of this answer*
