The picture below shows a warm air mass caught between two cooler air masses. what is this type of front called? ?

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

What will most likely happen when two bromine atoms bond together?