Answer:
Carbon Dioxide, or CO2
Explanation:
Plants need to breathe, otherwise they won't survive
Humans' intake oxygen and exhale CO2
However, plants intake CO2 and exhale oxygen
It is important to calculate discounts independently to ensure that each discount is applied to the price of each product. ... It is also important to calculate them to know the real total price of the purchase you are going to make.
He has not posted 42 fliers. It's simple math. 96-16=80 then 80-38=42
