Answer:
cause the vaccien is not complete
Explanation:
the answer is C or the third one down, Layer A is the outer core because its made of iron and nickel
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
RNA travels to ribosomes, after leaving the nucleus, to perform translation and form amino acid with the help of tRNA
