Using the Bystander Intervention Decision Tree of the decisions bystanders make before helping (or not helping) in an emergency, which of the following is NOT one of the stages in the model?

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Ascientific blank must be testable and capable of being proven false?