If 3.5 moles of O2 need to be produced, how many grams of Al2O3 are needed for this reaction
to take place?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

How have the greenhouse gasses increased from the year 2000 to 2018

Light waves travel than sound waves.