Alveolar ventilation remains constant when
the respiratory rate is increased while the volume of air per breath is decreased
the respiratory rate and the volume of air per breath are increased
the respiratory rate is decreased while increasing the volume per breath
both a and c

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

thats not even an aswer choice

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.