paki sagu po need ko now

Answer:
1. A
2.B
3.E
4.C
Explanation:
#CARRYONLEARNING:)
Answer:
1. A. Symptoms and Prevention
2. B. Air Pollution By Transpostation
3. E. Comparison of poor and rich
4. C. Safe and Unsafe sorrounding.
Hope it helps, Follow for more future answers.