The total energy in an isolated system is conserved.
True or false?

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.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both