Does darwin’s theory of nature selection explain how evolution occurs ?

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.