What makes the congress the "voice of the people"?

The value of the next best alternative given up is called ?

Cole's smart phone is two years old and he would like to have a new one. this time, he wants to make sure that it has a longer battery charge and better geographic coverage since he is traveling three days a week for his new job. cole is most likely to use for this purchase

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper