Rachel is researching the differences that exist in each layer of the Earth. Which of the following best describes Earths crust? 1. Liquid, metallic

2. Dense, extremely hot

3. Semisolid, convective

4.Solid, rocky
HURRY I ONLY HAVE 5 MIN LEFT PLEAS HELP I AM BEGGING YO

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)

Areaction in which products can react to re-form reactants is