What happens to the minerals in rocks when metamorphism occurs?

The sun's declination is 0° at the a. summer and winter solstice b. summer and winter equinox c. vernal and autumnal solstice d. vernal and autumnal equinox

In an exothermic chemical reaction the energy gained by the surroundings must be the energy lost by the reaction

If 50 ml of each of the liquids in the answer choices were poured into a 250 ml beaker, which layer would be directly above a small rubber ball with a density of 0.960 g/ml? a. sea water – density of 1.024 g/ml b. mineral oil – density of 0.910 g/ml c. distilled water – density of 1.0 g/ml d. petroleum oil – density of 0.820 g/ml