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!
one species using another as a food source, typically killing it
Answer: Glucose is the basic sugar produced during photosynthesis in stroma part of chloropast.
Explanation:
It occurs in a series of steps, which together constitute Calvin cycle. Glucose, the basic sugar is thus produced in stroma part of chloroplast as explained above.
Answer: Cells have different shapes because they do different things. Each cell type has its own role to play in helping our bodies to work properly. Their shapes help them carry out these roles effectively.
I hope this helped!