Helpp! is Au an element, compound, or mixture?

What are four significant sources of ghgs that come from wostem washington?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat