Which question comparing two different metals is best answered through science? a. which metal is easier to use? b. which metal is harder to find? c. which metal is less dense? d. which metal is more valuable?

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

What is the temperature of one mole of helium gas at stp?

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.