Answer:
the answer is D) DNA and RNA
Birds have hollow bones due to the fact thay need to be as light as possible for their wings to generate enough lift for them to fly
<span>Mitosis is the usual method of cell division, characterized typically by the resolving of the chromatin of the nucleus into a threadlike form, which condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of two new cells resulting from the original cell.
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Sometimes they're used as drugs. The classic example might be penicillin, a compound made by a fungus and used as the first widely-available antibiotic.
Distance between corresponding points 2 consecutive waves
