What is the basis of stratigraphy? Stratigraphy, scientific discipline concerned with the description of rock successions and their interpretation in terms of a general time scale. It provides a basis for historical geology, and its principles and methods have found application in such fields as petroleum geology and archaeology. What is the law principle of […]
What is the final product of cellular respiration?
What is the final product of cellular respiration? ATP What is produced through cellular respiration? During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose. Much more ATP, however, is produced later in a process called […]
What are the types of LDR?
What are the types of LDR? Light dependent resistors, LDRs or photoresistors fall into one of two types or categories: Intrinsic photoresistors: Intrinsic photoresistors use un-doped semiconductor materials including silicon or germanium. What is the purpose of LDR? An LDR is a component that has a (variable) resistance that changes with the light intensity that […]
Why are telescopes limited?
Why are telescopes limited? The resolution of an optical imaging system – a microscope, telescope, or camera – can be limited by factors such as imperfections in the lenses or misalignment. Is the human eye diffraction limited? The human eye is close to being fully diffraction-limited, at least for photopic (cone-based) vision at the center […]
What can exposure to high noise levels cause?
What can exposure to high noise levels cause? Exposure to high levels of noise can cause permanent hearing loss. Neither surgery nor a hearing aid can help correct this type of hearing loss. Short term exposure to loud noise can also cause a temporary change in hearing (your ears may feel stuffed up) or a […]
When was heliocentric accepted?
When was heliocentric accepted? Jan What was Ptolemy theory? The Ptolemaic system was a geocentric system that postulated that the apparently irregular paths of the Sun, Moon, and planets were actually a combination of several regular circular motions seen in perspective from a stationary Earth. Who was the first White Pharaoh? Ptolemy I Soter, (born […]
Do roller coasters just use gravity?
Do roller coasters just use gravity? A roller coaster is a machine that uses gravity and inertia to send a train of cars along a winding track. The combination of gravity and inertia, along with g-forces and centripetal acceleration give the body certain sensations as the coaster moves up, down, and around the track. How […]
Who signs contract first buyer or seller?
Who signs contract first buyer or seller? Once a real estate seller and buyer agree to terms, the seller normally signs a real estate purchase agreement or sales contract. Real estate buyers are generally expected to sign purchase agreements first, though, especially during offer and counteroffer phases. What is a deed consideration? Consideration is a […]
What is a muscle moment arm?
What is a muscle moment arm? The moment arm of a muscle force is defined by the perpendicular distance between the muscle’s line of action and the instantaneous centre of rotation of the joint in which it spans, and represents the capacity of that muscle to exert a joint torque (Pandy, 1999). Does a longer […]