How can you use food labels to determine how rich in nutrients a food is?

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

The diagram shows a chicken embryo and a human embryo