A refrigerator use is 450 W per hour if the fridge runs for 24 hours a day electricity cost 0.08 per kilowatt how much does it cost to run fridge for seven days

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

Every early childhood education program should develop a