7 function of children

In 4/4 time, two eighth notes are equal to: a. one half of one beat. b. one beat. c. one sixteenth of one beat. d. two beats.

Part d most of the group decides to use the wood to build a fence, which would divide the island from the beach. but some people don't want to use the wood for that purpose. do you think it would be fair to make those people build the fence?

What greek scientist created a screw to move water for irrigation?