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:
Answer:
Some invent in order to meet basic human needs
The burning of fossil fuels can cause smog and acid rain.
The basic solar nebular disk model (SNDM), developed by Russian astronomer Victor Safronov, and was made available in English in the early 1970's. So your answer is B.<span />
Answer:
The volume of space in an atom where an electron is likely to be found is called the orbital of that electron.
