Number 5 would be the best awnser.
As a scientist who remains impartial can more accurately conclude his data while doing experiments.
I believe it's D don't take my word for it.
Answer:
Hazardous and solid wastes can be solid, liquid and gaseous form.
Explanation:
Hazardous wastes are wastes that are composed of harmful or toxic substances which is generated from industries, households, hospital e.t.c that are threat to humans and their environment.
Solid wastes are discharged or absconded materials such as refuse, sludge, gabbage, from water treatments, air pollution, household, industries e.t.c.
D: Surface-water runoff from rain
