Minerals are very useful to us. Which of the following is a false statement? Question Pyrite is an ore of gold and is used in jewelry making. Talc is used in papermaking, plastics, and paint. Quartz is used to make glass. Cobalt is not used in medicine..

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.