(M)ost metals form an oxide layer when exposed to oxygen. Some are bad, but some "passivate" the surface, protecting it from corrosion (e.g., aluminum)
I really wish that climate change, vaccines, mask wearing, etc. hadn't become politicized. Our near- and long-term future would be a lot more hopeful (M)
I'm not saying it's consistent or makes sense, but "height" doesn't have an "h" at the end like "width" and "length" do, so it shouldn't be pronounced as if it does (M)