Answer:
the nail lost most of its magnetism and dropped the nut
Explanation:
A, the passage mainly focuses on the theories and mechanisms of yawning
Myths exist so people have something to believe in. It’s like a chain and maybe to have some humor out of it
Answer:
Explanation:
Stand out like a sore thumb-to be noticeably different from others
Went up in smoke- to be wasted
Hard to swallow -difficult to accept
Cut the mustard -to meet expectations