Part C: Research Essay Compare and contrast the principles and application of an X-ray and CAT scan
as it applies to diagnosis of an illness or medical condition.

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Number and variety of living organisms includes genetic, species, and ecological types

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?