Which of the following is the science of naming and classifying living things

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.

In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.