A scrubber uses water to remove smoke from burning coal.
Answer:
NO
Explanation:
Sunlight is an electro-magnetic wave not a substance therefore it does not have a chemical compound
It’s number 4 typing typing
Answer:
In 1884, Hans Christian Gram described a method of staining bacterial cells while not staining surrounding animal tissues. However, he thought that the staining method he developed was faulty because not all bacteria stained. ... Not all bacteria stained because some have walls that prevents the staining.
