Answer:
air pollution can irritate your airways and may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain.
Explanation:
Hope this helps:)
9.organ system, 10. organ level I guess.
It is always necessary to analyze research for bias
Choose all that apply.
Atoms__.
V A. Normally have no change
B. Are made of ions and electrons
C. Are the smallest unit of matter
V D. Are made of electrons protons and neutrons