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EARTH SPACE 1/24/22.

Horizontales
___ is measured in 100’s of 1000’s to mil. of yrs.
____ is the biggest factor causing the Earth’s interior to separate into distinct layers.
The amount of time it takes 50% of parent isotope to decay & form a daughter isotope is called a ___life.
_____was the source, of most of the O2 present in the early atmosphere.
Verticales
Atoms of the same element with different numbers of neutrons are called ___.
____ is a Fossilization Process where the replacement of an organisms remains is exposed to minerals resulting in preservation.
Principal of Original Horizontality applies to ____.rock
A volcano erupting at the edge of a forest could be considered a ___ event.
___ is a rock enveloped by another rock.
Atoms with unstable nuclei emitting particles & energy are ____ isotopes.