Answer:
It should be the one that's selected in the image.
Explanation:
Triglycerides store unused calories and provide your body with energy. Cholesterol is used to build cells and certain hormones.
Answer:
a glass of muddy water
Explanation:
Pure substances contain only one element or compound.
Calcium is one element so it is a pure substance. Ice and water have the same molecular structure, so it is a pure substance. Aluminum oxide is a chemically pure compound.
The only example that is not a pure substance is muddy water due to the multiple components of mud mixing with the components of water.
Hope that helps.