When a substance dissolves in a liquid, it breaks down to the size of a.)atoms b.)elements c.)molecules d.)compoundswhen a substance dissolves, it undergoes a chemical changephysical changemolecular change

What are similarities and differences between refraction, reflection, diffraction and absorption?

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?