Blow a lot of air into it you can stick an air pump and when your done pumping quickly put tape over the hole
4, 2, 1, and 3 is the answer
They discovered this since S waves don’t travel through the earth but P waves do. P waves tend to travel faster than S waves in speed, 1&14km/s vs 1&8km/s
Steroids are lipids because they are hydrophobic and insoluble in water
