Rank( 1 = slowest, 4 = fastest)
Galaxy A
Galaxy B
Galaxy C
Galaxy D

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Which represents a negative impact of technology