What is an example of natural erosion? Rain, rivers, floods, lakes, and the ocean carry away bits of soil and sand and slowly wash away the sediment. Rainfall produces four types of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion. How do geotextiles prevent erosion? Geotextiles Definition: They are permeable fabrics which, […]
How can you tell real obsidian?
How can you tell real obsidian? Examine the general appearance of obsidian. It has a distinctive smooth glassy appearance. Obsidian is really a frozen liquid with small amounts of mineral impurities. Look at the color. How can you tell the difference between obsidian and tourmaline? Obsidian has a smooth uniform texture, and breaks with “conchoidal […]
Which is better echelon or mirror?
Which is better echelon or mirror? When compared to each other, the Echelon Reflect is far cheaper than the MIRROR and stands out due to its fascinating list of features. The 40-inch model is cheaper than anything MIRROR has to offer and it still comes with a world-class set of live workout options. Can the […]
What is the function of a wave?
What is the function of a wave? Wave function, in quantum mechanics, variable quantity that mathematically describes the wave characteristics of a particle. The value of the wave function of a particle at a given point of space and time is related to the likelihood of the particle’s being there at the time. What is […]
Can magnets attract without touching?
Can magnets attract without touching? Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few ‘magnetic’ metals and not all matter. Magnets are attracted to and repel other magnets. What do you call the two endpoints of a magnet? The end that faces […]
Why does low frequency travel further?
Why does low frequency travel further? Consequently, a sound wave can only propagate through a limited distance. In general, low frequency waves travel further than high frequency waves because there is less energy transferred to the medium. Is low frequency is suitable for communication over great distances? Answer: Low frequency (LF) is the ITU designation […]
Can Superman beat Hulk?
Can Superman beat Hulk? Superman has beaten Hulk before in the comics, as we’ve seen in the Marvel vs. However, while the two characters can match each other in strength with Hulk eventually growing stronger than Superman, the Man of Steel has far too many other powers that could help take Hulk out before he […]
Do geologists work alone?
Do geologists work alone? According to the National Science Foundation, about 125,000 geoscientists are employed in the United States alone. What is the life of a geologist? Geologists do so many things – study rocks, research climate change, map glaciers, conduct lab tests, advise on construction projects, teach classes, analyze photographs, create scientific reports, collect […]