Answer:
They are used in manufacture of foods and production of antibiotics, probiotics, drugs, vaccines, starter cultures, insecticides, enzymes, fuels and solvents. In addition, with genetic engineering technology, bacteria can be programmed to make various substances used in food science, agriculture and medicine.
I would say the answer is C. D isn't right because mammoths didn't exist when dinosaurs did. And cyanobacteria were the first living organisms on earth.
I think it's the seel date should not be expired for the first one