The carbon-14 radioisotope has proved most useful in: detecting thyroid problems in people dating fossils from organisms that lived a very long time ago measuring the amount of radiation in an area treating cancer in patients

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

Fossil fuels are organic compounds that are made from

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.