How many different nucleotides do dna and rna have​

4

Explanation:

DNA and RNA each consists of only four different nucleotides.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

it cools slower in the earth meaning the crystals have more time to form than lava on the surface