What does it mean to be an electron carrier

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Eutrophication caused by human nutrient pollution.