Category: Physics

How are humans affected by the biogeochemical cycles? Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate. What is an example of cycling matter? […]

Where can we find nitrogen? The Earth’s atmosphere is 78% nitrogen gas or N2. Even though there is so much nitrogen in the air, there is very little in the Earth’s crust. It can be found in some fairly rare minerals such as saltpeter. Nitrogen can also be found in all living organisms on Earth […]

Does diffraction affect frequency? None of the properties of a wave are changed by diffraction. The wavelength, frequency, period and speed are the same before and after diffraction. The only change is the direction in which the wave is travelling. What are the three common sources of interference? The two most common causes of interference […]

What natural resources do we need to survive? All the things we need to survive, such as food, water, air, and shelter, come from natural resources. Some of these resources, like small plants, can be replaced quickly after they are used. Others, like large trees, take a long time to replace. These are renewable resources. […]

When was Chaucer considered a success? In 1357, Geoffrey Chaucer became a public servant to Countess Elizabeth of Ulster and continued in that capacity with the British court throughout his lifetime. The Canterbury Tales became his best known and most acclaimed work. What made Chaucer successful during his life? Chaucer also gained fame as a […]

How can I get my Gmail account back? Follow the steps to recover your Google Account or Gmail. You’ll be asked some questions to confirm it’s your account. Answer as best you can. Reset your password when prompted. Choose a strong password that you haven’t already used with this account. Learn how to create a […]

Who manufactures Dasani water? The Coca-Cola Company What water company is owned by Coca-Cola? Smartwater. Smartwater was purchased as part of Coca-Cola’s 2007 acquisition of Glacéau for more than $4 billion. It is the best-selling premium water brand in the U.S. The actress Jennifer Aniston has endorsed the product, appearing in many of its ad […]

What is the amount of force acting on a given area? Pressure is defined as the amount of force acting on a given area. It measures how concentrated a force is. Is the result of force acting on a given area? What is the force exerted on an area called? Pressure is defined as the […]

How did Li Yundi become famous? The Chinese pianist shot to almost rock-star level fame in the year 2000 when he became the youngest ever winner of the International Chopin Piano Competition in Warsaw, at the age of 18 – and he would return as a member of the jury in 2015. Who is Lang […]

How can you tell if your hamster has mites? The hamster will be feeling very itchy, and will therefore do a lot of scratching. Its skin will look red, flaky, and irritated. The poor little animal, in addition to scratching furiously with his hind feet, will nibble at himself and rub his body on objects […]