Answer:
Categorical is the answer
The answer you are looking for is B. Bubbles form when two chemicals are mixed together.
Could it be lower extremities?
Answer:
The physical and chemical properties of seawater vary according to latitude, depth, nearness to land, and input of fresh water. Approximately 3.5 percent of seawater is composed of dissolved compounds, while the other 96.5 percent is pure water. The chemical composition of seawater reflects such processes as erosion of rock and sediments, volcanic activity, gas exchange with the atmosphere, the metabolic and breakdown products of organisms, and rain.
Explanation: