Which statement correctly represents a mineral any chemical substance that forms naturally in the Earth
an element that is made into an object
any substance that develops in the ground
any naturally forming substance made from one element

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?