vitamin D can be found in greater concentrations in the kidneys, skin, and liver, while vitamin A is located in the liver and kidneys. do you think the fat content of these tissues (liver or kidneys) is high or low.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl

level 4 to level 2 : ))