PHYSICAL: Headaches, Asthma, High Blood Pressure, and the Weakened Immune System
MENTAL/EMOTIONAL/SOCIAL: Difficulty concentrating, Mood Swings, Risks of Substance Abuse.
Producers undergo photosynthesis, Nitrogen compounds are released into the air
I think it is B, because that is my best guess!
The correct answer is <span>A. It used pictographs to express ideas.</span>
Answer:
I believe the answer is D