Circle the correct indirect object pronoun to complete the sentence. Solution. It has a ratio of turns N1/N2N_1 / N_2N1/N2 of 100 to 1. Why, then, does it require four protons. A) at the same temperature and density as the surface. D) No one understood how it could be possible for neutrinos to be produced in the Sun. A) Early experiments designed to detect solar neutrinos found them, but in fewer numbers than had been expected. D) trillions of degrees. the luminosity of stars reaches a peak at around 1 solar mass. C D) The Sun generates energy through fission while nuclear power plants generate energy through fusion. . a subjective determination of temperature. B) 600 tons in correct order of increasing temperature? 2. Greenhouse gases are by far the largest contributor to modern global warming. C) small variations in the rate of nuclear energy generation in the solar interior The corona and chromosphere are hotter than the photosphere. C) They are regions nearly devoid of gas. gases in the convective zone. Anne Danahy Which of the following statements about the sunspot - Course Hero The reaction of automobile exhaust and ultraviolet light DOC www.ucolick.org and more sunspots indicate increased solar radiation. B) The Sun is generating much less energy than we think it is. No lakes or streams have been damaged by acid precipitation. While some sunspots do form with a partner, it is not always the case. The interaction between the magnetic fields and the solar plasma can cause sunspots to become unstable, leading to flares, prominences, and other solar eruptions. Which of the following is true regarding day length? A) chemical reactions D) It predicted that Earth would also shrink in size with time, which would make it impossible to have stable geology on our planet. A) Theoretical models predict that neutrinos should be produced in the Sun, but no neutrinos have ever been observed to be coming from the Sun. Sunspots have been observed by astronomers and recorded since the time of Galileo and they have been used to track solar activity. Why do sunspots appear dark in pictures of the Sun? D) The core would heat up, fusion rates would increase, and the core would re-expand. B. the oblate spheroidal shape of Earth An ice storm breaks a transmission line and interrupts electric power to a town. Which of the following characterizes Earth's revolution? B) The density of the core would decrease, causing the core to cool off and expand. They often appear in pairs or clusters. Which is the correct sequence for the following end-points of. D A) the uppermost layer of the Sun, lying just above the corona D) Energy is consumed in the convection zone by the creation of electrons and positrons. A. Atmospheric pressure increases with altitude and is, therefore, lowest near the Earth's surface. B) It referred to the fact that neutrinos are extremely difficult to detect. which of the following is not true of sunspots? b. A D) Coronal mass ejections and other activity associated with the sunspot cycle can disrupt radio communications and knock out sensitive electronic equipment. C) We have sent probes below the surface of the Sun. E) The Sun is generating energy other than by nuclear fusion. Two of the protons are converted into neutrinos. A) As the Sun was forming, nuclear fusion reactions in the shrinking clouds of gas slowly became stronger and stronger, until the Sun reached its current luminosity. B Why do the tropics have a positive net radiation while the poles have a negative value? B) They are extremely rare. A repairman climbs the pole. Main sequence, red giant, planetary nebula, white dwarf: Main sequence, planetary nebula, red giant, white dwarf. Magnetic fields Acid deposition is deposition that measures more than 7.0 on a pH scale. A the answer sheet into the test packet and turn both in. A) More sunspots indicate increased solar radiation. New resources and matter are being added to Earth's systems all the time. D) use computer models to predict interior conditions. the nebula caused by the supernova explosion of a massive star. does not work beyond the silicon fusion cycle that produces, *a. What happens to energy in the Sun's convection zone? a band running from upper left to lower right, d. E) Sunspots can produce flares and prominences. B When is/was gravitational contraction an important energy generation mechanism for the Sun? C. It decreases to 1/4 its original magnitude. D) 600 million tons The CFC molecules react with ultraviolet light to release carbon which then destroys ozone. d. C) It is rapidly converted to energy when it meets an ordinary electron, resulting in matter-antimatter annihilation. Question there were no dark energy, the expansion of the universe would be: constant accelerating decelerating . They exert pressure outward, counterbalancing atmospheric pressure. D) The higher temperature would not affect the fusion rate but would cause the core to expand and cool until the temperature returned to normal, with the core at a new, slightly larger size. Choose E. All radio signals pass through this region virtually unaffected. They are often seen as areas of reduced brightness or black spots on the surface of the Sun. D) they are more likely to have their electronics "fried" by a solar flare during solar maximum. True False Question 24 (2 points) Which of the following is the correct order for the stages of evolution of a low-mass star, like the Sun? Sunspots are more important to global warming than GHGs There is more methane in the atmosphere than carbon dioxide Arctic Greening will absorb most of the carbon we emit to the atmosphere Greenhouse gases are by far the largest contributor to modern global warming Volcanic explosions can cool Earth's climate for hundreds of years. They move across the Sun c. They are permanent d. They are caused by magnetic activity e. They vary in size 3. Sunspots are dark areas of intense magnetic activity that form on the surface of the Sun. Fusion of iron nuclei into heavier nuclei requires energy rather, than The dam has a height H = 12 m and a width W = 10 m. Assume that the density of the water is = 1000 kg/m . It is held up by gas pressure due to the very high temperature, b. b. 32. A) send probes to measure the temperature. E) The mass of a neutrino is 30 percent of the mass of an electron. 2) When is/was gravitational contraction an important energy-generation mechanism for the Sun? D) The Sun's gas is on fire like flames from wood or coal, and these flames emit visible light. The fundamental nuclear reaction occurring in the core of the Sun is Lower-mass stars run through their lives faster and have shorter. During this time, the number of spots can vary from a few to hundreds at a time. As you plunge through the "surface" of the Sun, the photosphere, the temperature will be a slightly cooler 5,800 K, compared to the outer layers, and you will see the slightly cooler regions of sunspots and the granulation on the surface caused by the convection underneath. The embankment will be constructed in layers of 8 inch depth, loose measure then compacted to a dry unit weight of 114pcf at a moisture content of 18.3%. Galileo turned his gaze toward Venus, the brightest celestial object in the sky - other than the Sun and the Moon. The Sun Is Asleep. Deep 'Solar Minimum' Feared As 2020 - Forbes They are distributed approximately uniformly over the Sun's surface both in position and in time. (It's even "on sale"!) D) 37,000 K. What is the solar wind? Sun - History of observation | Britannica A B) about one thousand which of the folloing statements about ionization energy is true? B) 4 million tons C) 5 billion years. D Finally, we can test our knowledge of nuclear physics and the fusion process in the core using observations of solar neutrinos. D) 50 billion years. Solved 35. Which of the following statements is not true? A. | Chegg.com The people living at 40 N or S experience about six-hours difference in daylength from winter to summer. During the cycle, the amount of activity in the sunspot region increases and decreases. D) an alternative way of generating energy that is different from the fusion of hydrogen into helium. If the Sun suddenly stopped emitting neutrinos, what might we infer (after checking that our neutrino detectors were still operational)? C) the wind that causes huge arcs of gas to rise above the Sun's surface Solved Which of the following is NOT a correct statement - Chegg C) The churning is an illusion created by varying radiation, as the gas on the Sun's surface is actually quite still. b. B) The Sun emits light of longer average wavelength. Which of the following is true with respect to the. to force it to move in an orbit. A hot-air home heating system takes 500 ft3/min (cfm) air at 14.7 psia, 65 F into a furnace, heats it to 130 F, and delivers the flow to a square duct 0.5 ft by 0.5 ft at 15 psia. This is because large magnetic fields are concentrated in these areas, inhibiting convection and cooling the surface. Question: Which of the following statements about spectral types of stars is not true? C) nuclear fission A) about 1023 The region principally absorbs gamma rays, X-rays, and interacts with the solar wind. *c. B) 100% hydrogen and helium D) about 14 billion light years (the size of the observable universe) Which of the following best describes where other forms of light are released? d. They increase and decrease in number, relatively regularly. Typically, the presence of multiple sunspots means an increase in solar activity, which in turn can lead to periods of higher solar flare activity. C) The Sun's core gradually expands with time, and this expansion means there is more room for energy to be generated and hence increases the Sun's luminosity. B ozone and VOCs. one continuous zone that functions as a whole. Right now, about half the amount of hydrogen in the core of the Sun has been fused into helium. B. Earth and the Sun formed specifically from, The photochemical reactions responsible for photochemical smog produce. D) Our current understanding of fusion in the Sun suggests that all neutrinos should be destroyed before they arrive at Earth, yet neutrinos are being detected. No, sunspots do not make the Earth hotter. The rate of fusion then determines how many neutrinos should be produced by the Sun, and theories estimate how many of these should be detected here on Earth. the troposphere and the stratosphere. Flashcards - AST1002 Exam 2 Review C. potassiumhas a lower ionizationenergy than sodium D. C) Higher temperature would cause the rate of fusion to fall, decreasing the internal pressure and causing the core to collapse until the rate of fusion returned to normal. A) It predicted that the Sun would shrink noticeably as we watched it, but the Sun appears to be stable in size. 38) Which of the following statements about the sunspot cycle is not true?

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