It would be "rr". This is due to the fact that recessive genes, like white-eyed, have to have a genotype with both recessive to show up.
Nitrogen because it is essential for making nucleic acids and amino acids in plants. Nucleic acids make DNA and RNA and amino acids make proteins. All are needed for cell growth and repair.
<span>A beam of light aimed at a particular area is known as focused. The focused beam is concentrated in one area and not disbursed like other lights there to set mood, but instead to give focus to one individual or group on stage.</span>
D. melting is a phase change from a solid to liquid.
e.g ice melts