He needs more oxygen to normalize his breathing rate.
he has to take deep breath and relax
Because they inhale oxygen and exhale carbon dioxide.
Answer:
D id False
Explanation:
Children did not inhale dried smallpox scabs. Variolation or inoculation was the method first used to immunize an individual against smallpox (Variola) with material taken from a patient or a recently variolated individual in the hope that a mild, but protective infection would result. The procedure was most commonly carried out by inserting/rubbing powdered smallpox scabs or fluid from pustules into superficial scratches made in the skin.
Answer: <em>species diversity
</em>
<em>
</em>
<em>ecosystem diversity
</em>
<em>
</em>
<em>genetic diversity</em>