Which metal is a critical component of high-performance, heat-resistant steels in jet engines? a) cobalt o b) potash c) copper 20 d) zinc

List the sentences. keep in mind when you use sarcasm you are saying one thing in a tone to make it clear you are joking. like for instance, pretend you get a math test from your teacher. you’d most likely say, “oh yay.. a math test.” but you’d have the tone to give it the “oh come on” feeling. does this at all?

None   they are   equally likely to occur on any plate boundary