Which sentence best describes the formation of igneous rock?

A - lava on the surface dries up and makes arock

B_melted rocks cools and forms crystals

C_rocks under tremendous heat and pressure

D_magma is melted rock underground

Which element or elements are unbalanced in this equation? Fe2O3 + 3 CO → Fe + 3 CO2 Fe and O are both unbalanced. Only the O is unbalanced. C and O are both unbalanced Only the Fe is unbalanced.

Which equation is a decomposition reaction?

Which of the following BEST describes the composition of the sun? the sun is made of exploding iron enriched material. the sun is made of molten rock. the sun is made of super heated carbon. the sun is made of gas.

What allows scientists to find the actual age of some object (or some event)

What is the process of removing the bacteria?

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in

Which of the following elements is released into the atmosphere by all of these processes: volcanic outgassing, animal respiration and flatulence, burning of fossil fuels, and metamorphism of limestone? a. Carbon. b. Nitrogen. c. Oxygen. d. Sulfur

A phase change from a solid to a gas is called what

What is the meaning of semipermeability?

What type of reaction does Fe+Ag2SO4-FeSO4+Ag