Put the steps of the nebular hypothesis in order. CHECK MY ANSWERS

1

3

5Nebula spins and material gets hotter and becomes concentrated together.

4Planets form and begin orbiting the Sun held together by gravity.

Disk flattens out and planetesimals are formed.

Nebula gets disrupted by a supernova explosion.

DID I PUT THEM IN ORDER

Technician a says the harmonic balancer may be attached to the crankshaft using a woodruff key and center bolt. technician b says the harmonic balancer may be attached to the crankshaft using a square key and center bolt. who is correct? choose one answer. a. technician a b. technician b c. both technician a and technician b d. neither technician a nor technician b