Who was to blame for the Spanish Civil War? The war was not simply a Spanish affair but drew in several other nations, including Italy, Portugal, Germany, and the Soviet Union. The war was a result of many factors, but the one primary causes of the Spanish Civil War was the failure of Spanish democracy. […]

Why are Petoskey stones only found in Michigan? Pleistocene glaciers (about two million years ago) plucked Petoskey stones from the bedrock and spread them over Michigan and surrounding areas. This is why Petoskey stones can be found in gravel pits and along beaches far from the Petoskey area. What is the legend of the Petoskey […]

Who were the 3 famous philosophers in ancient Athens? The Socratic philosophers in ancient Greece were Socrates, Plato, and Aristotle. These are some of the most well-known of all Greek philosophers. What was Miletus known for? Thales of Miletus, (born c. 624–620 bce—died c. 548–545 bce), philosopher renowned as one of the legendary Seven Wise […]

How does wind affect rocks? Wind Causes Weathering and Erosion Wind causes weathering by blowing bits of material against cliffs and large rocks. This wears and breaks the rock down into sand and dust. Wind also erodes sand and dust. What effect do water and air have on rock? Chemical Weathering Agents of weathering are […]

At what time of day or night is radiation fog most likely to occur? Radiation fog forms due to night cooling and advection fog due to daytime cooling. Radiation fog is formed by surface cooling in a calm wind. Which conditions would most likely cause fog to form in an area? Frontal passage fog can […]

What is meant by recrystallization? Recrystallisation is a process accomplished by heating whereby deformed grains are replaced by a new set of grains that nucleate and grow until the original grains have been entirely consumed. What is the principle of recrystallization? The principle behind recrystallization is that the amount of solute that can be dissolved […]

How did nationalism affect Europe? In 19th Century, Nationalism played very significant part in the progress of Europe. Because of common national-identity, various small states were united and transformed into a Country, such as Germany and Italy. Progress and Development of the concept of modern nation state became easier by French Revolution. What were the […]

What countries are the seven wonders in? The Great Wall of China, China. BEIJING, CHINA – NOVEMBER 30: Tourists walk on a section of the Great Wall at Badaling, on a cold Chichén Itza, Mexico. Christ The Redeemer, Brazil. Petra, Jordan. Taj Mahal, India. Machu Picchu. The Great Pyramid of Giza, Egypt. Colossus of Rhodes, […]

What caused the Dust Bowl of the 1930s? The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors. After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains. What was […]

What forces cause a ball to stop rolling? Friction is a force that slows down moving objects. If you roll a ball across a shaggy rug, you can see that there are lumps and bumps in the rug that make the ball slow down. The rubbing, or friction, between the ball and the rug is […]