Answer:
The correct answer for the test is "B"
Explanation:
When you compare all of the other answers option they conclude that B is the right answer.
Explanation:
<em>Food webs and the carbon cycle are very closely related because every living organism is made up of carbon. ... When a person eats the cow, the person consumes carbon. Thus, carbon moves through food webs. It leaves living organisms through respiration and when organisms die and decompose.</em>
Boundary between two air masses of different temperatures and/or humidity levels
If they are trying to convert any measurements or just measure out the chemicals, it wouldn't be very familiar to them so they could make a mistake that can result of too much or too little of the chemicals, which can make the chemicals react differently.