le flacon ci _contre contient du carbone et du dioxygéne. modélise son contenu après la combustion de la totalité du carbone​

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Why are people not able to scuba dive in the deep part of the ocean

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining