What is the composition of the most common mineral compounds that make up Earth's crust and mantle? 1 silicon, oxygen, and one or more metal elements 2 sulfates, oxygen, and one or more nonmetal elements 3 carbonates, hydrogen, and one or more organic compounds 4 oxalates, oxygen, and one or more organic compounds

(1) silicon, oxygen, and one or more metal elements

Explanation:

The earth's Crust is mainly composed of

Oxygen, Silicon, Aluminum, Iron, Calcium, Potassium, Sodium and Magnesium. 90% of the earth's Crust is composed of Silicates.

The earths Mantle is almost completely Silicate, oxygen  and magnesium.

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante