Does a solar water heater work at night? Since solar water heaters require the sun to heat water, you may be wondering if they can provide you hot water at night. Since solar water heaters require the sun to heat water, you may be wondering if they can provide you hot water at night. The […]
What are 2 key features of an experiment?
What are 2 key features of an experiment? In an experiment, an independent variable (the cause) is manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. An advantage is that experiments should be objective. The views and opinions of the researcher should not affect the results of a study. How […]
Is it important to study science?
Is it important to study science? Firstly, science helps our understanding of the world around us. Everything we know about the universe, from how trees reproduce to what an atom is made up of, is the result of scientific research and experiment. Human progress throughout history has largely rested on advances in science. What are […]
Is Apple an oligopoly?
Is Apple an oligopoly? Big Tech. Operating systems for smartphones and computers provide excellent examples of oligopolies in big tech. Apple iOS and Google Android dominate smartphone operating systems, while computer operating systems are overshadowed by Apple and Microsoft Windows. Are cars an oligopoly? The US automobile industry is a good example of an oligopoly. […]
What is the normal to a line?
What are the top 3 most expensive cars?
What are the top 3 most expensive cars? The Top 10 Most Expensive Cars In The World Koenigsegg CCXR Trevita ($4.8M) Lamborghini Veneno ($4.5M) W Motors Lykan Hypersport ($3.4M) Mansory Vivere Bugatti Veyron ($3.4M) Ferrari F60 America ($2.5M) Koenigsegg One:1 ($2.0M) Aston Martin One-77 ($1.4M) Pagani Huayra ($1.4M) What is the most expensive cars in […]
Why is the Ph of ethanol 7?
Why is the Ph of ethanol 7? Ethanol’s hydroxyl group causes the molecule to be slightly basic. It is almost neutral like water. The pH of 100% ethanol is 7.33, compared to 7.00 for pure water. This reaction is not possible in an aqueous solution, as water is more acidic, so that hydroxide is preferred […]
Are there 5 or 6 kingdoms?
Are there 5 or 6 kingdoms? Until recently the system devised by Robert Whittaker in 1968 was widely adopted. Whittaker’s classification scheme recognizes five kingdoms: Monera, Protista, Fungi, Plantae, and Animalia. What are the 3 main domains of life? According to this system, the tree of life consists of three domains: Archaea, Bacteria, and Eukarya. […]
Is apple juice heterogeneous or homogeneous?
Is apple juice heterogeneous or homogeneous? the apple juice which we get in supermarkets and stores is a homogeneous mixture , as, it does not show the ‘Tyndall Effect’, the particles of apple do not settle down when left undisturbed for a while, there is no visible separation of particles in it, so the particle […]
What is the direction of a friction force?
What is the direction of a friction force? The frictional force is the other component; it is in a direction parallel to the plane of the interface between objects. Friction always acts to oppose any relative motion between surfaces. Do we walk due to friction? When you are walking, static friction pushes in the direction […]