Answer:
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.
Explanation:
Answer:
Disease and Famine
Explanation:
If there is a disease that affects a type of plant, having other types of crops to rely on could save one from starvation. Also, only planting one crop in an area can change the pH and nitrogen levels in negative ways, so that eventually no plants can grow there. Not to mention the obvious balanced diet needed for a healthy body.
Answer: i would say the core then its the mantle then the crust
Explanation: hope this helps
The leaves of the plant compared to the plants around it are bigger because they are being token care of and watered and fed while the others take care of them selves also they are different types of plants :)
Answer:
C.) The oxygen produced by photosynthesis during the day is greater than the amount of oxygen used for respiration.
Explanation:
Oxygen concentration decreases at night.Concentrations of oxygen can decrease significantly during the night, due to respiration. DO concentrations are usually highest in the late afternoon, because photosynthesis has been occurring all day.