For this fill in the blank, there are 3 answers:
The availability and cost of housing, education and health care is a major component of a region's overall cost of living.
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I think two giant asteroids crashed into each other billions and trillions of years ago and slowly within the billions of years to come, one formed into earth and the other formed into the moon... Well something like that
Answer:
C
Sedimentary rocks can be dated using radioactive carbon, but because carbon decays relatively quickly, this only works for rocks younger than about 50 thousand years
