B) a smokestack for an electric power plant
A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
Answer: C
Explanation: All organisms someway somehow must compete for essential resources.
Marine climate tend to has <span>warm winters and cool summers.
Regions with marine climate mostly located in a region with low elevation. Regions with low elevation tend to have higher temperature, but the existence of water near that region even out the temperature which resulted in moderate level of temperature all year long.</span>