Radioactive isotopes called can be used to detect some medical problems. a. beta particles b. tracers c. gamma radiation d. alpha particles

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

What are four significant sources of ghgs that come from wostem washington?

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.