What is the point directly overhead called? The point directly overhead is called the zenith. What is another name for the celestial sphere? In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for celestial-sphere, like: altazimuth coordinate system ecliptic coordinate system equatorial coordinate system, sphere, empyrean, firmament, heavens, vault of […]
Why are humans so negative?
Why are humans so negative? The human brain has a natural tendency to give weight to (and remember) negative experiences or interactions more than positive ones—they stand out more. Psychologists refer to this as negativity bias. “Our brains are wired to scout for the bad stuff” and fixate on the threat, says psychologist and author […]
What are the three coefficient of thermal expansion?
What are the three coefficient of thermal expansion? This equation shows the relationship between α is the linear expansion, β is the superficial expansion, is volume expansion. These three coefficients of expansion for a given solid are not constant because these values totally depend on the temperature. How are the three coefficients of expansion? Expansion […]
Why is it called Bicarb?
Why is it called Bicarb? 1 Answer. The prefix bi in bicarbonate comes from an outdated naming system and is based on the observation that there is twice as much carbonate (CO3) per sodium in sodium bicarbonate (NaHCO3) as there is in sodium carbonate (Na2CO3). Is sodium bicarbonate the same as baking soda? Baking soda […]
Which mechanism might have led to the appearance of the Hawaiian honeycreeper?
Which mechanism might have led to the appearance of the Hawaiian honeycreeper? Geographical Isolation is the mechanism that might have led to the appearance of the Hawaiian honeycreeper. Geographical Isolation is the term used that refers to a population of animals, plants, or other organisms that are separated and unable to exchange genetic materials with […]
Does the Earth accelerate towards you?
Does the Earth accelerate towards you? Earth accelerates towards you So the mass of the Earth relative to you is incredibly large. From Newton’s second law of motion we know that for a given force on an object the acceleration reduces as the mass of the object increases. However the Earth still accelerates towards you […]
What are the four principles of stratigraphy?
What are the four principles of stratigraphy? Steno’s laws of stratigraphy describe the patterns in which rock layers are deposited. The four laws are the law of superposition, law of original horizontality, law of cross-cutting relationships, and law of lateral continuity. Nicolaus Steno was a 17th-century Danish geologist. Which kind of unconformity is probably the […]
What are the three roles of bacteria?
What are the three roles of bacteria? In summary, bacteria are single-celled microbes without a nucleus. Bacteria play many roles in our ecosystem. Bacteria are decomposers which break down dead material and recycle it. They also can be producers, making food from sunlight, such as photosynthetic bacteria, or chemicals, such as chemosynthetic bacteria. What are […]
Can I lock my bike to a street sign?
Can I lock my bike to a street sign? Street signs are placed in the right of way. So even if it’s on someone’s private property, it’s still public (government) property. You pay taxes, you vote… use the sign as long as you don’t deface, damage, or otherwise obscure it’s message, you should be good. […]
WHAT IS units in chemistry?
WHAT IS units in chemistry? Chemistry primarily uses five of the base units: the mole for amount, the kilogram for mass, the meter for length, the second for time, and the kelvin for temperature. The degree Celsius (oC) is also commonly used for temperature. What is the formula to convert kg to lbs? 1 Kilogram […]