What stays green all year round? Evergreen plants and trees stay green all year long — hundreds of species thrive in climates around the world, including U. S. Department of Agriculture plant hardiness zones 8 through 10. Flowering evergreen plants, trees, shrubs, ground covers and vines bring color to gardens and landscapes. What is the […]
What is the role of parent material in soil formation?
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 […]
Why are bones spongy?
Why are bones spongy? Spongy bone reduces the density of bone and allows the ends of long bones to compress as the result of stresses applied to the bone. Spongy bone is prominent in areas of bones that are not heavily stressed or where stresses arrive from many directions. Is spongy bone soft? Though spongy […]
What color does not absorb light?
What is the deadliest type of nuke?
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 […]
Is it legal to have smoked tail lights in California?
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?
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 are the classes of dangerous goods?
What are the classes of dangerous goods? What are dangerous goods? Class 1: Explosives. Class 2: Gases. Class 3: Flammable liquids. Class 4: Flammable solids; substances liable to spontaneous combustion; substances which, on contact with water, emit flammable gases. Class 5: Oxidizing substances and organic peroxides. Class 6: Toxic and infectious substances. Class 7: Radioactive […]
What does the radial velocity method measure?
What does the radial velocity method measure? The radial velocity technique is able to detect planets around low-mass stars, such as M-type (red dwarf) stars. This allows astronomers to determine the inclination of the planet’s orbit, which enables the measurement of the planet’s actual mass. Why is the radial velocity method biased towards high mass […]
What are the advantages and disadvantages of nuclear power plants?
What are the advantages and disadvantages of nuclear power plants? Advantages and disadvantages of nuclear power stations Advantages Disadvantages Produces no polluting gases. Waste is radioactive and safe disposal is very difficult and expensive. Does not contribute to global warming. Local thermal pollution from wastewater affects marine life. How long does nuclear waste need to […]