The device for stepping up or down electricity voltage on transmission line is called......................
Answer : C
A written piece of paper which indicates that goods bought and services rendered have been paid for is called...............................
Answer : B
A large area of water surrounded by land is called.......................................
Answer : D
President Barrack Obama is the.................. president of the United States of America and first African-American president of U.S.
We eat Carbohydrate food to give us..........................
Answer : A