Answer:
Point-source pollution is easy to identify. As the name suggests, it comes from a single place. Nonpoint-source pollution is harder to identify and harder to address. It is pollution that comes from many places, all at once.
Answer: does not contain protein
Because it is not pink and purple
Explanation:
Edge 2020
Over time, as oxygen levels decrease, CO2 levels increase. Respiration is correct as it uses oxygen as a reactant and releases CO2 as a byproduct.
Domain of unicellular prokaryotes that have cell walls containing peptidoglycan; corresponds to the kingdom Eubacteria. Domain consisting of unicellular prokaryotes that have cell walls that do not contain peptidoglycan; corresponds to the kingdom Archaebacteria.