Answer:
all light waves can be described in terms of their speed, frequency and wavelength
Explanation:
Hope it helps u.....
Prevent the release of toxic vapored, dusts, mists, or gases into the workplace air
Answer:
Its separates the components of heterogeneous mixtures.
like examples :-
- liquids in liquids,
- solids in liquids,
- solids and liquids in gases.
