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An estimate of the minimum age of the solar system can made by measuring the ages of
Reform Programs
Initiatives aimed at making changes or improvements in societal, political, or economic systems.
European Legislation
Laws and regulations enacted by the European Union and its member states.
Abolitionist Movement
A social and political movement in the 18th and 19th centuries aimed at ending slavery and the slave trade.
Labor Movement
A social movement comprising workers organizing for better conditions, rights, and wages in the workplace.
Q6: Kepler's Third Law of planetary motion states
Q9: What is the evidence of the effect
Q12: Scientists always try to<br>A) be as subjective
Q16: In the scientific method a hypothesis is
Q18: In the context of life in the
Q27: The discovery of any kind of life
Q32: Given that organic molecules need to react
Q44: A photoheterotroph gets its energy from<br>A) chemical
Q58: If life exists on Mars today, it
Q69: The number of stars in the observable