Category: Physics

What is the role of parent material in soil formation? The parent material of a soil determines the original supply of those nutrient elements that are released by weathering and influences the balance between nutrient loss and retention. Organic acids and exudates produced by microorganisms and plants enhance the weathering of minerals and the release […]

What is the deadliest type of nuke? Russia declassifies footage of ‘Tsar Bomba’ — the most powerful nuclear bomb in history. The blast was more powerful than 50 million tons of TNT, and was felt hundreds of miles away. In October 1961, the Soviet Union dropped the most powerful nuclear bomb in history over a […]

What is killing the coral reefs? Despite their importance, warming waters, pollution, ocean acidification, overfishing, and physical destruction are killing coral reefs around the world. Genetics is also becoming a larger area of coral research, giving scientists hope they might one day restore reefs with more heat tolerant coral. How are humans killing coral reefs? […]

Is it legal to have smoked tail lights in California? Tinting head lights and tail lights are illegal in CA. What two functional tail lamps are visible? California law has made it mandatory for every vehicle to have 2 functional tail lamps that are visible from all distances within 1000 feet. This step is taken […]

What happens when white light passes through a red and green filter? If you pass white light through a red filter, then red light comes out the other side. This is because the red filter only allows red light through. The other colours (wavelengths) of the spectrum are absorbed. Similarly, a green filter only allows […]

What is a good size lap pool? 45 feet Is swimming 3 times a week enough? Swimming 3 days a week can be a fantastic way to burn off extra calories while also strengthening your muscles. You can burn 500 calories in a 30-minute swim, which is actually double what you would burn if you […]

How does the body farm get bodies? The bodies typically come from Texas hospitals, funeral homes, or medical examiners’ offices; from there, they are strapped to a gurney, loaded into cargo vans, and brought to the ranch, where researchers and student volunteers begin their research on the corpses. What is the basic purpose of a […]

What color does not absorb light? A white object reflects all colors of white light equally. If an object absorbs all colors but one, we see the color it does not absorb. The yellow strip in the following figure absorbs red, orange, green, blue, indigo and violet light. How do I fix a room with […]

How do you check if the sensor is working? To test for resistance, set the DVOM to Ohms scale. Unplug the sensor and connect either leads to the DVOM probes. Read the Ohm or resistance values and compare them to those of the manufacturer. If they don’t match, the sensor is defective. How do I […]

Is water Vapour is a greenhouse gas? Water vapor is the most important greenhouse gas. It controls the Earth’s temperature.” It’s true that water vapor is the largest contributor to the Earth’s greenhouse effect. Because these gases are not condensable at atmospheric temperatures and pressures, the atmosphere can pack in much more of these gases […]