Plz help! What is the relationship between the length of the lever and the force required? (Where should the fulcrum be to get the best advantage?)

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

How have the greenhouse gasses increased from the year 2000 to 2018

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.