Answer:
CO2 is a compound, it has 2 atoms of oxygen, and is made up of oxygen and carbon
Explanation:
I think it’s A. hope this helps
Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.
Answer:
A. insects fly around a bright lamp at night
Explanation:
insects are naturally attracted to light due to presence of positive phototaxis. Insects revolve around the light in the same way as electrons do around the nucleus.
