Jojo and Barbara put a beaker of water into the freezer and take it out 24 hours later to find a solid. What is this an example of?

A. chemical change
B. transmutated inverse reaction
C. physical change
D. sublimation

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Which statement best describes the he properties of iconic compounds ?

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.