Scientists use radioactive dating to determine the age of rocks on the Earth. In order to determine the age of minerals found within the rocks, scientists can measure the . a number of daughter isotopes b total number of parent and daughter isotopes c number of parent isotopes d ratio of parent–to–daughter isotopes

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.