When a ballon is rubbed with human hair the balloon acquired an excess static charge this implies that some materials

What is a metal replacement reaction

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

What does the symbol (–hfus) indicate in a phase change?