When I saw her yawn, I could not tell if it was because she was tired or just bored.

Which statement best describes what a student can learn by analyzing the relationship between the two underlined words?

Yawning can cause tiredness.
Yawning can cause boredom.
Tiredness can cause yawning.
Boredom can cause yawning.

He seventeenth amendment to the us constitution calls for the direct election of all us senators. this means that the people of each state get to vote to decide who will be their two us senators. before this, the legislatures of each state chose the two us senators from that state with no direct involvement of the average voter. why would this amendment be considered a reform? how would it benefit the people? even today some people claim that the seventeenth amendment was a bad idea. what arguments could be made for reverting selection of us senators back to the state legislatures?

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f