Examples of Homogeneous & Heterogeneous Rocks!

(Pls help, thxs)

mixtures of sand and water or sand and iron filings, a conglomerate rock, water and oil, a salad, trail mix, and concrete (not cement). A mixture can be determined to be homogeneous when everything is settled and equal, and the liquid, gas, the object is one color or the same form.

Explanation:

the answer is c) abandoned properties that are contaminated with hazardous materials.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.