Calculate the average atomic mass for argon if its abundance in nature is 7.0% argon-39, 92.5% argon-40, and 0.5% argon-41. Show your work

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

What type of reaction fuels the processes seen here?