What happens to particles when a substance gains energy and changes state

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved