ASVAB study guide Crossword

Current periodically reverses direction
Current that flows in one direction
the process of mixing different semiconductor atoms in order to control conductivity of the material
the process of neutralizing the charge of an object by removal of excess electrons to or donation of additional electrons by a much larger object
study of planet earth
naturally occurring inorganic solids with a definite chemical composition and rocks
two minerals with the same chemical composition, but different crystal structure
study of rocks
rock which has been changed by great heat and pressure
what is earth if not perfectly sphered
what is located at 23.5 degrees north?
what is located at 23.5 degrees south?
what is located at 66.5 degrees north?
what is located at 66.5 degrees south?
a measurement of the distance from the equator
what cell has a nucleus?
genetic material
another process by which eukaryotic cells reproduce
what does adenine pair with?
what does cytosine pair with?
a state of great commotion, confusion, or disturbance