Why is the oldest seafloor less than 180 million years when the oldest continental crust is about 4 billion years old?

Aclient is scheduled for standard eeg testing to evaluate a possible seizure disorder. which nursing intervention should the nurse perform before the procedure?

Describe characteristics of a good respitory surface

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure