Masuk
Essential Biochemistry - Environmental Biochemistry (Section 1 - No. 21)
What is a major source of air pollution?
Automobiles
Agriculture
Rain
Forest
Penjelasan
Automobiles are a major source of air pollution due to their emissions.
Komentar (0)
Masuk Untuk Berkomentar
Iklan
Izinkan javascript memuat halaman ini dengan benar