Why is it important to make a prediction before running the simulations?​

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

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)

Do fish feel pain? and if they do what pain