Both a b c are the right answer choice for this question
Answer:
The average adult, when resting, inhales and exhales about 7 or 8 liters of air per minute. That totals about 11,000 liters of air per day. Inhaled air is about 20-percent oxygen. Exhaled air is about 15-percent oxygen.
Explanation:
<span>more productive because bacteria living on the roots of legumes fix nitrogen in the soil</span>
Day and night is caused by the earth rotating on its axis throughout 24hrs
Those states would be Wyoming, Colorado, Utah, New Mexico, California, Arizona, And Nevada
The Upper Basin States being Wyoming Colorado Utah and New Mexico
The Lower basin states being Cali Az and Nevada
