What type of chemical bonding would exist between H-C-H?

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.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure