I have severe case of "smiling" depression and a serious case of ADHD. My parents don't know about this and I don't want to tell them bc they are part of the reason of it. They don't do anything bad to me but they fight a lot and get angry at me. I also have thoughts about k*ll*ng myself and hurting myself. What should I do?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system