Why is pi r 2 The area of a circle? The Area of a Circle The usual definition of pi is the ratio of the circumference of a circle to its diameter, so that the circumference of a circle is pi times the diameter, or 2 pi times the radius. This give a geometric justification […]

Which country is the leading fish consumer United States Greenland China Australia? China is the leading fish consumer. Which is the first producer of fish in the world? China What country exports the most fish? Main exporting countries of fish and fishery products worldwide 2019. The European Union was the top exporter of fish and […]

What methods are used to monitor Mount Etna? A huge array of monitoring techniques has been tested on Etna; methods that have proved successful in monitoring and sometimes in predicting eruptions include observations of seismicity, ground deformation and microgravity. What can be done to reduce impact of volcanoes? One of the most effective ways of […]

What is a Burgess model in geography? In 1925, Burgess proposed a descriptive urban land use model that divided cities into concentric circles expanding from downtown to the suburbs. This representation was built from Burgess’s observations of several American cities, notably Chicago, for which he provided empirical evidence. What are the three models of urban […]

At what point must your employer provide you with information on hazardous chemicals? Employee Information and Training. Employers must provide employees with information and training on hazardous chemicals in their work area at the time of their initial assignment, and whenever a new chemical hazard is introduced into their work area. Who is responsible for […]

Where was the recent volcano eruption in New Zealand? White Island, which is also known by its Maori name, Whakaari, is the peak of a huge submarine volcano rising more than 1,000 feet out of waters of the Bay of Plenty. The island is roughly 30 miles off New Zealand’s north-northeast coast. When was the […]

Where do monarch butterflies migrate to Mexico? Each winter, millions of monarch butterflies migrate to the fir forests of Mexico’s Central Highlands—walk among them, and listen to the air hum with the vibrating of their wings! Witness millions of butterflies during their winter migration to the highlands of Mexico. Do Monarch butterflies migrate to Mexico? […]

What changed from the Paleolithic to Neolithic periods? People lived more towards lakes and rivers instead of caves, and tree trunks. This led to the change of the jobs of the society. Unlike Paleolithic time’s, man could have more leisure time to spend. This led him to broaden the society he was living in and […]

What type of government did Germany have in the 1920s? The Weimar Republic was Germany’s government from 1919 to 1933, the period after World War I until the rise of Nazi Germany. It was named after the town of Weimar where Germany’s new government was formed by a national assembly after Kaiser Wilhelm II abdicated. […]

What is the advantages and disadvantages of organic farming? Organic foods are free of harmful pesticides, antibiotics, and additives. Farmers can reduce their production costs since they don’t have to spend a lot of money on chemicals and fertilizers. They improve plant growth and physiological activities of plants. Who has most land in India? Top […]