How do we measure time before man existed on earth?
We have many ways by which time of different things e.g, rocks, animals, plants, fossils, geomorphic structures and in general of earth can be measured before the ascent of man. We use the Salinity in oceans (rate of accumulation of salt in sea water considering all the oceanic waters as being fresh at the formation of crust); Rate of Cooling of Earth (considering all of lithosphere as being molten 4.5 billion years ago and subsequent gradual and steady cooling after maintaining the thermal inputs from radioactive pockets and other sources); Radiometric Dating (in which different radioactive isotope species of dozens of elements decay at their respective time frames; usually measured after every half-life; where the remaining size of stable daughter products post-decay is measured.e.g, K-Ar dating; U-Pb dating; Sm-Nd dating; Rb-Sr dating; Radiocarbon dating etc); Stratigraphy (analyzing the sequence and pattern of different rock stratas and geological remains in a superimposed succession); Paleontology (study of fossils; with sub-branches like taphonomy, ichnology); Paleothermometry (study of ancient or past temperature regimes via different climatic proxies); Paleogeography (study of past geography); Paleo-chemistry (study of past composition of rocks, ice-cores,fauna and flora); Rate of Decelerating rotation of earth; Thermoluminescence (using light signatures to detect the date of ancient artifacts) and dozens of other relative as well as absolute dating techniques.
8. How do we know what Earth's temperature was many years before thermometers existed? From laboratory experiments that reconstruct the conditions (the atmosphere and sea level, primarily) of earlier times and then measure the resulting temperature. From computer calculations that work backward from the present time to calculate the temperature at earlier times. From computer calculations that start from the conditions (the atmosphere and sea level, primarily) of earlier times and then calculate the resulting temperature. From historical information about...
How do we think Earth’s Moon formed? A. The Moon was spun away from Earth shortly after Earth formed. B. The Moon and the Earth formed at the same time from the same material. C. The Moon was captured as it passed near Earth. D. The Moon resulted from the impact of a Mars sized object with Earth. Much of the ejected material formed the Moon.
What do we mean with the term “tangible assets”? How can we measure them according to IFRS?
How do we measure the default risk in government bonds and treasury bills?
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a steel beam is 98m long is moving past the earth observers on earth measure the beam to be 28m long, how fast is the beam moving?
People on earth measure the length of the spaceship to be 140m. If it lands on earth how long will the landing pad need to be for the spaceship to fit? The spaceship flies away from earth at .85c.
Do we need to update our positioning over time? How and ehy should we do that? Marketing question buthis subject not exist
For a binomial distribution with a π=0.2 how many attempts do we need before we can feel confident using a normal distribution to approximate the probabilities?