Answer:
A
Explanation:
The great contribution of Tycho Brahe was to observe planetary positions with sufficient accuracy so that Kepler could later use the data to discover the laws of planetary motion.
Tycho Brahe was a danish noblemen and an astronomer his major work was regarding the developing astronomical instrument to study the stars and pave the way for future discoveries.
A)law of comparative costs
Answer:
hunter-gathers
Before permanent agricultural settlements emerged in ancient Mesoamerica, hunter-gatherers roamed the region.
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Th theory of Plate Tectonics provide an explanation for natural occurring phenomena such as earthquakes, the making of mountains and volcanoes and even the creation of tsunami's
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