In 2006, the International Astronomical Union developed a formal definition for what constitutes a planet. What is the definition of a planet?
What will be an ideal response?
Answer: A planet must orbit the sun, must be roughly spherical due to its own gravity, and must have the ability to sweep other debris from their orbits (fail).
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A generally accepted, thoroughly tested explanation for a set of observations is a:
Hypothesis Scientific method Scientific Law Scientific Theory
All of the following contribute to high levels of air pollution in countries like China and India EXCEPT
A. they have large cities. B. the pollution from vehicles is poorly regulated. C. the pollution by industry is poorly regulated. D. poor people use wood and dung to cook and heat homes.
Describe the energy pathways of insolation as it enters the Earth's atmosphere
What will be an ideal response?
Investors have considered Africa an unfriendly business environment due to poverty, corruption, and low quality of life.Recently, this attitude has changed, with Africa becoming more attractive to investors.What factors have contributed to the turnabout in African business opportunities?