Which of the following is formed when an acid reacts with a base? (1 point) Alkaline
Hydrogen ion
Hydroxide ion
Salt

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

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