Which discovery is considered to have led to the greatest advancements in the field of medicine?

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

How air particles exert a pressure on the inside of the balloon

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process