When a pesticide is sprayed and there are still survivors, what can you assume about them?

Which of the following is an example of units for speed

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

See the attachment and solve question 5th