Help, please :) What type of bond is being shown here?

A. Single covalent
B. Double covalent
C. Triple covalent
D. None

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.

The ammonia molecule in the diagram has the observed bond orientation because

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas