Our solar system is thought to have evolved from a(n) ______________
Fill in the blank(s) with correct word
solar nebula
Physics & Space Science
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If we have a new moon today, when we will have the next full moon?
A) in about 6 months B) in about 1 month C) in about 1 week D) in about 2 weeks
Physics & Space Science
The half-life of uranium-232 is 70 years. The time for 3/4 of a sample of uranium-232 to decay is __________
Fill in the blank(s) with correct word
Physics & Space Science
One theory for the origin of life suggests that life formed spontaneously from increasingly complex chemical reactions on the Earth. This is referred to as
A) intelligent design B) naturism C) panspermia D) chemical evolution
Physics & Space Science
A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)
A) 60 m/s B) 20 m/s C) 30 km/h D) 120 m/s E) 30 m/s
Physics & Space Science