How much energy, in units of kJ/mol, is required to break all the bonds in a molecule of methane (CH_4)

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.

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town