Use the drop-down menu to answer each question.
What causes earthquakes?
Where do earthquakes begin?

1. plates make earthquakes 2. it starts at the focus.

Explanation:

When plates rub together & they begin in the fault lines which cracks and starts an earthquake.

Explanation:

answer; ////increased water pollution; ///////////////////////

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.