Answer:
50
Explanation:
abc has to be 110
triangle angles add to 180
110+20=130
180-130=50
Answer:
This consists of pebbly beds associated with ancient blown sands, sometimes of considerable thickness. Above this series of deposits comes the Head or Rubble Drift, formed during a greater elevation of the land.
Answer:
The Constitution sets three qualifications for service in the U.S. Senate: age (at least thirty years of age); U.S. citizenship (at least nine years); and residency in the state a senator represents at time of election.
Explanation:
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Answer:
a: third quarter b: full moon c: waning crescent d: waning gibbous
Explanation:
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