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All the planets in the Solar System revolve in a clockwise motion.
Industrial Revolution
A period of major industrialization during the late 18th and early 19th centuries that transformed largely agrarian, manual societies into industrial and urban ones.
Economic Recession
A period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.
Two-parent Families
Households where children live with both of their biological or adoptive parents, offering a family structure often associated with various social and economic advantages.
Single-parent Families
Households led by only one parent, who takes on the role of both caring for the children and providing for the family financially.
Q2: Astronomers refer to the dark center of
Q6: Which statement best describes Phobos and Deimos?<br>A)
Q15: Spheres are an essential part of Kepler's
Q16: The moons of Uranus orbit within the
Q17: Tidal coupling has enabled some astronomical bodies,
Q19: As a radioactive substance gradually decays, the
Q25: In the Copernican system, Earth moves _
Q26: What important role does the ozone layer
Q40: Why can't Venus's atmosphere break up into
Q50: Optical telescopes are intended for the study