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
<span>Admission for which applications are reviewed based on academic performance, completion of rigorous coursework, and extracurricular activities. Those accepted either meet thresholds for these criteria or stand out from fellow applicants in one or more of these criteria. Competitive admission is usually used by four-year colleges.</span>
