Regional metamorphism occurs because of heat energy and pressure associated with plate tectonic movements. a. true b. false

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro