Drag each label to the correct location on the image. Identify the elevation and the percentage of oxygen available at each elevation.
8,850m
57%
33%
4,500m
100%

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

What is the molar mass of potassium nitrate, kno3

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand