The air in the troposphere is a(n)

element
compound
mixture

The answer is mixture. A mixture is a substance that is composed of a combination of different elements that are not chemically combined (and can be physically separated). The troposphere is the lowest layer of the earth’s atmosphere and where the weather condition occurs. This means the air is mixed with water vapor (that form clouds) and other impurities such as dust and aerosols.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!