Which factor best explains how many diseases, such as cancer, are formed within the body? a traumatic injury to the body has occurred. a disruption in the cell cycle has taken place. a response by the immune system was triggered by an allergic reaction. a mutation occurred during the process of crossing over.

Which statement does lola need to correct, and why? a) statement 1 because spiral galaxies do not havearmsb) statement 2 because the bulges contain mostlyyoung red stars.c) statement 3 because the arms are made of mostlyyoung blue and blue-white stars.d) statement 4 because spirals galaxies contain littleto no dust.(c)