<span>A unique feature of dna is that it can duplicate itself through a process called replication.</span>
The right answer is non rebreather.
A non-rebreather mask (NRB) is mainly used to provide oxygen to treat hypoxia, in which arterial blood oxygen saturation is less than 90 percent.
Non-rebreather masks offer an increased level of moisture towards the nasal passage, which can become inflamed and irritated with prolonged oxygen treatment. Increased humidity also increases the patient's respiratory secretions.
It’s not herbivorous because no, and it’s not detritus because again no, and not parasitic so your only answer left is mutualistic which it is
A sugar phosphate backbone joins the nucleotide in a DNA sequence. A double helix has TWO backbones.