Answer:
1/2
Explanation:
Hope this helps!!!
Could I have brainliest pls
Answer:
The alveolar walls and capillary walls share a membrane. That's how close they're getting. This allows oxygen and carbon dioxide to readily pass from the respiratory system to the circulation. Oxygen molecules bind to red blood cells as they return to the heart.
Answer:
Most of the predators were gone and suddenly niches were available so almost all the offspring were likely to survive and reproduce
Explanation:
Your answer is c for #3, hope i helped!
denitrification
Explanation:
Thiobacillus denitrificans are denitrifying bacteria
