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How do scientists think that gravity affected the formation of our solar system?

Identify the electromagnets with poles that are reversed from the electromagnet shown above

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