One mole of copper has a mass of 63.5 grams. Approximately how many atoms of copper are present in one mole of copper? 63 atoms
64 atoms
32 × 1023 atoms
6 × 1023 atoms

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