Which of the following is true about the speed of light? (2 points)

group of answer choices

Drive down any three characteristic of modern periodic table

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.

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)