Answer:
b. protein
Explanation:
Proteins are biopolymers basically made of carbon, hydrogen, oxygen and nitrogen.
Triglycerides are made of a glycerol molecule esterified by three fatty acids.
Polysaccharides are carbohydrates, and therefore contain carbon, hydrogen, and oxygen.
The mineral salt contains mostly sodium chloride, although it contains some other minerals such as magnesium, potassium, iodine, among others.
2 hydrogen atoms hope this helps
Answer:moon phases
Explanation:
Moon phases because the moon phases changers every day
Hard water contains high levels of minerals such as magnesium and calcium and can be a real pain to remove if left untreated. When hard water is boiled in an electric kettle, these minerals do not evaporate like the water does but instead remains in the kettle.
