How does the percent of an acid in a water solution affects the ph of the solution?

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.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate