What does a transformer do? a) changes the voltage of electricity leaving a power plant b) changes the temperature of steam in a power plant c) cools the water in a nuclear reactor

Afamily is one another name for a group on the table of elements.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction