pls tell me answer quick
Attachments:
Answers
Answered by
0
Explanation:
1 . one low - cost sewage treatment system . septic tanks
2. carnivores that eat dead bodies of other animals . Scavenger
3. device used to remove sludge. dewatering
4.any two alternative methods of sewage disposal . septic tanks and chemical toilets
5. two examples of insulators . plastics , rubber
6.types of reflection . specular reflection , diffuse reflection
7. types of lens. convex , concave
Similar questions