a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading. An example is the Mid-Atlantic Ridge.
<h2>THIS IS THE GOOGLE DEFINITION*</h2>
Nucleotides makes up each individual strand of DNA
Answer:
a hygrometer consisting of a wet-bulb and a dry-bulb thermometer, the difference in the two thermometer readings being used to determine atmospheric humidity.
a hygrometer is an instrument for measuring the humidity of the air or a gas.
B. Are the monomers of dna and rna
I think it would be D, as a fixed proportion would mean that even if the volume goes up, they would stay fixed.