I need help with number 17 pls someone pls ???

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

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

Using data from seismic waves, geologists have learned that earth’s interior is made up of several