Answer:
true
Explanation:
you break the food down with your mouth to start digestion
Blocked, and the heart can't get oxygen.
Answer:
the entire family
Explanation:
its the most logical answer
Answer:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Explanation:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Hope this helps.