I think the answer is D. Circulatory because this system helps to get the absorbed nutrients throughout the whole body
Answer:
Black carbon, tropospheric ozone, methane, and hydrofluorocarbons (HFCs) are all considered short-lived climate pollutants (SLCPs). Because these pollutants have atmospheric lifetimes of only days to a decade and a half (compared to CO2 which can persist in the atmosphere for millennia) they are referred to as short-lived climate pollutants.
Explanation:
Easy. HISTORY or GEOGRAPHY books of specific areas you want to know more about.
