C because our bodys are mixing chemicals
The lungs have no skeletal muscles of their own. The work of breathing is done by the diaphragm, the muscles between the ribs (intercostal muscles), the muscles in the neck, and the abdominal muscles.
Answer:
Explanation:
This graph shows the harbor seal population in the gulf of Maine for a twenty year period. A population of seals with unlimited
resources will continue to grow exponentially as shown in the graph above. What are some density-dependent limiting factors that
would prevent continued exponential growth? Choose ALL that apply.
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I THINK!!! a. but i could be wrong sry if i am