Why shouldn't applicants to job openings send their cover letter as an attachment in an e-mail? When would it be acceptable to send a cover letter as an attachment?

According to the text, to become economically successful (self-sufficient), the louisiana superdome, before finding tenants, had to earn between $26,000 and $35,000 in daily rental income. this is evidence that

What was the biggest type of pirate ship called?

Experiments were conducted to try to teach chimpanzees sign language