Fill in the term for each definition. is the ability of a mineral to split apart easily along flat surfaces. is the way light is reflected from the surface of the mineral. is the color of the mineral’s powder. of a mineral can be measured by the Mohs scale.

The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). one cup of milk contains 299 mg of calcium and one cup of juice contains 261 mg of calcium. which of the following inequalities represents the possible number of cups of milk m and cups of juice j a 20-year-old could drink in a day to meet or exceed the recommended daily calcium intake from these drinks alone?

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

Darwin studied two different types of tortoises on the galapagos islands. sort the characteristics based on which tortoise they describe.