Answer:
It discusses Pollution levels in the Air
Explanation: Air can be hazardous to those lungs that are weak. They have something called an Air Quality Alert to warn those with weak lungs to take precautions. Hope this helped!
 
        
             
        
        
        
The genotype of a normal male zygote is XY, with the X chromosome (sex chromosome) coming from the mother and Y from the father.
        
             
        
        
        
Answer:
Scavengers
Parasites
Consumers
Predators
Carnivores
Omnivores
Herbivores
Explanation:
In biology, an organism is any organic, living system that functions as an individual entity. All organisms are composed of cells. Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea
 
        
                    
             
        
        
        
C. The cell must be a plant cell. 
Only plant cells have cell walls. Bacteria cells and animal cells do not. Both animal cells and plant cells have membrane-bound organelles, but since the student saw a cell wall, it must be a plant cell.
Hope this helps! :)