What does genetic drift do?
a
reduces genetic variation in a population.
b
causes extinction in a population.
c
has no effect on the genetic variation in a population.
d
increases genetic variation in a population.
e
makes a population more genetically similar to other populations.

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

At which location in earth’s interior does the top density continue to increase as thickness decreases?

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?