Sound production is also known as phonation, and involves the process of vibrations generated by a combination of respiration, the vocal organ and the vocal tract. The physical structures that birds use are highly similar to that of humans, and the sounds that is generated travels through respired air.
Answer:
Label A: nitrogen bases
Label B: sugar-phosphate backbone
Explanation:
Took biology in high school lol
C. I think so, it seems like it
Answer:
A water molecule consists of two hydrogen atoms attached to one of oxygen and its general structure is angular. This is because the oxygen atom, in addition to forming bonds with hydrogen atoms, has two pairs of non-shared electrons.
