In a machine, is work output less than work input because some energy is converted into thermal energy?

cindy wants to show percentages of birds with red beaks. would she use a line graph or a pie graph? why?

A molecule of carbon moves through various media during the process of its cycling. In which medium will it move the fastest? A. soil B. air C. biota D. runoff water E. oceanic water

What results if water is heated and and highly pressured underground

What sequence of organs do substances pass through, as they move through the human digestive system?

What subatomic particles of an atom are in the nucleus

The study of the eating habits of grizzly bears is in which field of biology

What functional groups define the two different ends of a dna strand?

True or false: animals contribute most of the organic remains that form humus

What would cause a person to have headaches from the sun only when not wearing a hat?

When in the cell cycle would you find sister chromatids?