Which compounds are most likely ionic? compounds A and B O compounds B and C compounds C and D O compounds D and A​

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Which statement would indicate the presence of an acid