Contains a nonmetal and metal A) base

B) acid

C) covalent bond

D) salt

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

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.

What is the percent by mass of oxygen in fe2o3