what period did mammoth's live in?
Options:
- ancient times
- marwell comics
- forest
- prehistory
- museum of natural history
Let's solve it slow. Prehistory is the period that begins with the appearance of the human being and ends with invention of writing. Mammoths were found in one of the prehistory stages.... So the answer is prehistory.

When a woman is going to have a baby an ultrasound can be used to find out what?
Options:
- talk nonsense
- boy or girl
- cry
- begin to talk
- learn to speak
Let's solve it slow. An ultrasound is a device that can be used to find the gender of a baby. Gender of a baby can be boy or girl.... So the answer is boy or girl.

Sam thought that his efforts were necessary, but in reality the accomplished nothing. They were what?
Options:
- superfluous
- useless
- swap cs
- unneeded
- useless
Let's solve it slow. Useless efforts are something that do not result in anything.... So the answer is useless.

What does someone immoral do when they are taking final exams without studying?
Options:
- cheat
- study
- great joy
- graduation
- sweat

Let's solve it slow. Cheat is immoral act. Cheating is done during exam if someone is not prepared.... So the answer is cheat.