The number of collisions between the particles of hydrogen and nitrogen is increased by using high pressure and
What one word completes the sentence?

What does standard deviation reveal about data? a. the average of all the data points b. which of the data points is most reliable c. how spread out the data points are d. the percent error included in the data

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.

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