Which of the following are also compounds? Select all that apply. A.
H2O

B.
CuFeS2

C.
Cl

D.
Mg

E.
KCl

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Air can be considered a mixture. which statement does not explain why?