A 8.2 Gram sample of a hydrate Fe(OH)₃⋅ 5H₂O was heated, and only 4.0 grams of the salt remained. What percentage of the water was in the hydrate?

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.