Why is Roman architecture famous? Roman architecture is famous for its domes, arches, amphitheaters, temples, thermaes (bath houses), atriums, aqueducts, apartments, houses, and for many other factors that made it unique. Art was often carved into the walls of stone buildings depicting battles, and famous Romans. What is one main difference in Greek and Roman […]

How does a white dwarf become a black dwarf? A main sequence star that lacks the mass necessary to explode in a supernova will become a white dwarf, a ‘dead’ star that has burned through all of its hydrogen and helium fuel. No longer emitting heat or light, the white dwarf will become a black […]

Why is it 67 minutes? Mandela Day is a global call to action that celebrates the idea that each individual has the power to transform the world, the ability to make an impact. The Mandela Day campaign message is: “Nelson Mandela has fought for social justice for 67 years. We’re asking you to start with […]

What is the purpose of marriage in Buddhism? A Buddhist wedding honors the teachings of Siddhartha Gautama and expresses the couple’s devotion to wisdom, compassion, and harmony in their partnership. Unlike other spiritual traditions, Buddhists consider marriage to be a secular matter, meaning it is the individual’s choice and not a sacrament. Can Buddhist have […]

What is a non native species called? invasive species What is non native invasive species? Non-native invasive species include plants, animals, and microorganisms outside their native home range that cause significant injury to, displace, or kill native species. What happens when you introduce a non native species into an environment? Invasive species are capable of […]

What is each layer of the Earth made up of? ​​The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental. Oceanic crust […]

How Umbra is formed? The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. Assuming no diffraction, for a collimated beam (such as a point source) of light, only the umbra is cast. What is the umbra and penumbra of a lunar […]

How can we mitigate and adapt to climate change? Replanting forests and restoring damaged ecosystems. Diversifying crops so that they are better able to adapt to changing climates. Investigating and developing innovative solutions to prevent and manage natural catastrophes. Developing action plans for climate emergencies. What can humans do to adapt to the changes to […]

Is Japan suitable for a nuclear reactor? Japan needs to import about 90% of its energy requirements. Its first commercial nuclear power reactor began operating in mid-1966, and nuclear energy has been a national strategic priority since 1973. This came under review following the 2011 Fukushima accident but has been confirmed. What are the pros […]

What kind of biome is desert? The desert biome is an ecosystem that forms due to the low level of rainfall it receives each year. Deserts cover about 20% of the Earth. There are four major types of desert in this biome – hot and dry, semiarid, coastal, and cold. They are all able to […]