Why do rocks have different color stripes

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

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