How do we know that another substance besides the rust was formed during this chemical reaction?

Geothermal energy for industrial use is available almost anywhere. a.true b.false

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

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by