Which organism is not a consumer?
a.
bacteria
b.
snake
c.
grass
d.
owl

How does natural selection change thephenotypes within a population over time?

Why does bubbling occur when vinegar mixed with baking soda

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?