What kind of magnet is an electromagnet? A. permanent
B. temporary
C. semi permanent
D. none of the above

If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above

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.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.