Help asp What is the balanced chemical equation for the below skeleton equation:
Al + O2 → Al2 O3

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center

Explanation for basic character?