Can someone please check my work to see if I did it right?

Which of the following electromagnetic waves can create ions?

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

If two objects at different te,peraure are in contact with each other what happens to their temperature