Gypsum. a.
The sedimentary rock formed when water deposits tiny particles of clay in very thin, flat layers is called
gypsum.
b. shale.
limestone.
d. calcite.
C.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Compare and contrast the bohr model and the electron cloud models of the atom.