2. you have 2 m3 of a mineral ore sample. it has a mass of 1 × 104 kg. calculate the density of the ore sample and express your results in g/cm3 with appropriate scientific notation.

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Answer/nitrogen compounds in the soil;

For lesson: cameras, plant presses, newspaper, paper towels, clip boards, pencils, calculators, field guides, metric measuring tapes, paper, transect squares, colored pencils, ph meters, light meters, computers, etc.for extension: baggies for soil samples collecting, distilled water, hand shovels, beakers, boiled rice, microscopes, well microscope slides or regular microscope slides with cover slips

I'm not sur i'm sorry