Select all sets in which the number -12 is an element.

Motivation cannot be developed with practice; a person either possesses it or they do not.

Which characteristics can be used to differentiate star systems? check all that apply.

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean