European and North America coal fields line up.
A. true
B. false

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

What does x represent in the formula for the compound xcl4?

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?