What are the constituents of dna?
a. proteins and sugars
b. sugars, phosphates, and nitrogenous bases
c. sugars and lipids
d. lipids, nitrogenous bases, and proteins

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Why does miranda have that particular vision of dr hildesheim answer?