number one is the correct answer
step-by-step explanation: dogs and cats are mentioned, no other animals
22 and 22
step-by-step explanation:
10 plus 12 equals 22.
12 plus 10 also equals 22 because regardless of what order they're in, they're gonna equal the same thing.
no because mercury has a density of 13.6 grams per centimeter squared while gold has 19.32 grams centimeter squared