Will a tower of straws hold tennis balls

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

List four observations that indicate that a chemical reaction may be taking place

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.