Kevin left his house and walked 1 block east to the bus stop. He got on the bus, which he rode to the store. Which point of reference should be used to describe his motion? A. The store
B. The bus stop
C. The house
D. The bus

Define dew point. i am writing this part to be able to ask the question

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.

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?