Substances with a high ph level are called ; this is the opposite of being acidic.
a. wadis
b. alkaline
c. buoyant
d. outlets

The answer is letter B.

Substances with high pH level are called alkaline. Alkaline are substances that have a pH greater than 7 and they have a relatively low concentration of hydrogen ions. This is the opposite of being acidic leaning towards the other end of the spectrum. Lemons, green vegetables, root vegetables, garlic, and cayenne pepper are some food that have high concentrations of alkaline that balance acidity of recipes. It should be included in one’s diet because it prevents shares of complications that are taken from high-fat and acid types of food. 

Advection fog occurs when warm air blows over a cold surface like snow and since tropical water is warm advection fog rarely forms over it