The correct answer is option B.
Edmond Halley correctly predicted the return of the eponymous comet Halley after he realized several sightings of a comet were in fact the same comet.
By correctly understanding Sir Isaac Newton's law of gravity and also his ideas in mathematics, Halley was able to correctly predict that the comet that now bears his name would return periodically. He did this by discovering Halley's orbit in 1716 and thus being able to predict the year of its return.
Answer:
The Eastern Front witnessed a major shift while the Western Front in France saw a quick reversal after a brief period of movement.
Explanation:
The statement that best describes the changes in the front lines between June and November of 1918 is option A.
This is because, during November of 1918, the Eastern Front witnessed a major shift while the Western Front in France saw a quick reversal after a brief period of movement.
Answer: still need this answer
Explanation:
Answer:
The Great Wall of China was built as a military defensive line to defend the invasions from some northern nomadic nations. Apart from the function of defense, the wall also boosted the economy, as well as promoted the culture exchange and national integration of different nations at its two sides.
