Which defines energy in scientific terms? a. a change in temperature b. a force multiplied by distance c. the ability to do work d. the motion of an object

The correct answer for this is C. The ability to work. This ability manifests itself in two forms, potential energy and kinetic energy, in which kinetic is the energy in a moving body, while the potential one is the energy found in a body that is not moving, but could easily be moved such as an arrow that's on a bow or similar.

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes