The photograph shows a glue gun. This tool heats a solid stick of glue until it becomes a liquid.
Which two characteristics of the matter change?

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What drives an advertising campaign?

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

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.