Why did the vinegar erupt when i put the baking soda ?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Why is the bottom layer of a trophic pyrimid the

How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers