<span>By filtering the air so that the lungs so the lungs don't get infected</span>
Answer is B. Best way to check is make a square
a mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome. :)
Answer: A gene is a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. A chromosome is a long DNA molecule with part or all of the genetic material of an organism. A allele is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Explanation:
Which molecule is the primary energy currency of all cells ? Answer : ATP
