What forms when forces like acid rain weather and erode limestone easily. Harder rock is left behind whixh creates a sink hold

How is the composition of a meteorite relevant to finding out the composition of earth's core?

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 material does not melt at any temperature