Select the correct answer from the list.(1 point)

Question

To form a nebula, 1)___ pulls matter together or causes 2)___
Responses
1)
A) Pressure
B) Heat
C) Gravity
2)
A) Pressure change
B) Infrared light emission
C) An explosion

Answer 1

To form a nebula, 1) C) Gravity pulls matter together or causes 2) A) Pressure change.