Not every earthquake has a(n) , but every earthquake has that occur in the mainshock. 1.
Aftershock
Foreshock <

2.
Aftershock <
Foreshock

3.

Places far away from
The Same place as <

Am i right?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.