Answer:
smog
Explanation:
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
Answer:
The six most important characteristics of a civilization are cities, government, religion, social structure, writing, and arts and architecture.
Explanation:
Answer: Algae
Explanation:
Algae
Algae are grouped in the kingdom Plantae. The unicellular blue-green algae are kept under the kingdom Protista
Fungi
In the five-kingdom classification by Whittaker, fungi were placed in a separate kingdom Fungi
