PLEASE PLEASE HELP I WILL MARK IF CORRECT Which reaction is balanced correctly?

CH 4 + 2O 2 → CO 2 + 4H 2O
C 6H 12O 6 + 6O 2 → 6CO 2 + 6H 2O
2C + O 2 → CO 2
C 3H 8 + 5O 2 → 3CO 2 + 8H 2O

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.