Which lists the minerals in the correct order from softest to hardest? a. calcite, feldspar, talc, diamond
b. talc, diamond, calcite, feldspar
c. diamond, feldspar, calcite, talc
d. talc, calcite, feldspar, diamond

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

List the path of the respiratory system

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?