What percent humidity should I set my dehumidifier at? The optimal relative humidity level is between 30 and 50 percent, according to Energy Star (and 30 to 40 percent in colder areas during heating season). If the humidity is higher than that, it can breed dust mites, mildew, and mold, and trigger allergies. Can mold […]
Why does a mountain of uranium not explode as a bomb?
Why does a mountain of uranium not explode as a bomb? Your mountain is almost entirely U238 which cannot be used in an atomic bomb. The reason is that it will not sustain a chain reaction, which depends on neutrons released in fission events to induce further fission events in an exponentionally increasing amount. How […]
How does free market affect the economy?
How does free market affect the economy? Free Market Economy It contributes to economic growth and transparency. It ensures competitive markets. Supply and demand create competition, which helps ensure that the best goods or services are provided to consumers at a lower price. Do we live in a free market economy? The United States is […]
What are the two types of river erosion?
What are the two types of river erosion? Types of erosion Hydraulic action – This is the sheer power of the water as it smashes against the river banks. Abrasion – When pebbles grind along the river bank and bed in a sand-papering effect. Attrition – When rocks that the river is carrying knock against […]
How do you find the pH of 0.01 m NaOH?
How do hydrogen bonds affect water?
How do hydrogen bonds affect water? The presence of hydrogen bonds also makes water molecules more ‘sticky’ or in scientific terms cohesive and adhesive. The small charges on the water molecules allows them to stick together which is why water has a ‘skin’ that small insects can walk on, and also explains why water can […]
Which way does heat flow?
Which way does heat flow? And unless people interfere, thermal energy — or heat — naturally flows in one direction only: from hot toward cold. Heat moves naturally by any of three means. The processes are known as conduction, convection and radiation. Sometimes more than one may occur at the same time. What is Celsius […]
How much fluid should an average person drink each day?
How much fluid should an average person drink each day? So how much fluid does the average, healthy adult living in a temperate climate need? The U.S. National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is: About 15.5 cups (3.7 liters) of fluids a day for men. About 11.5 […]
Are Tigers faster than lions?
Which of the following is correct about action reaction pair?
Which of the following is correct about action reaction pair? Newton’s Third law states that the equal and opposite action-reaction pair acts on different bodies. Hence, the correct option is B. Note: Whenever two bodies interact, they exert equal and opposite forces on each other. Are N and Mg action reaction pair? Gravity, weight and […]