ExamPlay Light Logo
Masuk

WAEC - Chemistry (1990 - No. 18)

Which of the following pollutants is biodegradable ?
Sewage
Plastics
Metal scrape
Lead compounds
Hydrogen sulphide

Komentar (0)

Masuk Untuk Berkomentar
Iklan
BrainBehindX Inc Logo
©2026; Didukung oleh BrainBehindX Inc