Apparent Brightness (rank;Earth (light years) 1 brightest, 8 = dimmest)Distance fromName of StarSunSirius28.6Canopus3093Arcturus36.74RigelVegaAlpha Centauri77325.364.37.Bernard's Star5.98 15 A scientist put together the above table. What is the scientist mostlikely trying to study?A. There must be other factors besides distance from Earth that dictatesthe apparent brightness of a star.B. Distance from Earth is proportional with apparent brightness.C. The apparent brightness of a star is related to the distance of thatstar from Earth.D. The star with the highest brightness should be the farthest awayfrom Earth.

sun is the closest star from the planet Earth hence it is the brightest one. Planets don't have…

Answered: 15 A scientist put together the above…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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14. Label the phases and annotate any important events or features. ニ

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The pupil of the human eye is approximately 0.8 cm in diameter when adapted to the dark. The ratio of the light-gathering power of a 1.6-meter telescope to that of the human eye is a. 2. b. 4. c. 20. d. 400. e. 40,000.
Consider an electron transition from n = 3 to the n= 2 energy level in a hydrogen atom resulting in a spectral line. a. What would the colour of this line be? b. Calculate the wavelength (nm) of the hydrogen spectral line observed. AC c. Calculate the energy of the transition. NB. Use an attached PDF sheet for relevant information FORMAL QUIZZ 1-SHEET.pdf 400 KB A. 3. 3,028 x 10] b. 656 nm C Ted B. a. 3,028 x 10 b. 656 nm C orange a 3,028 x 10 b. 656 nm Corange 2.028
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51
Describe roles of vitamin a in vision. What is an example of a strategy to improve vitamin a status in countries where deficiency is prevalent?
Photoelectric effect increases the _________ in an x-ray image while Compton scattering increases the _________ . Therefore, _________ is not desirable in diagnostic imaging. Select one: a. image noise; radioactivity; photoelectric effect b. image contrast; image noise; Compton scattering c. radioactivity; image noise; Compton scattering d. image noise; image contrast; photoelectric effect
1. Identify Name each layer of Earth, starting from Earth's center 2. Apply Scientific Reasoning One of the characteristics of the planet Mars that makes it very different from Earth is that it does not have a large magnetic field. Based on what you know about Earth's magnetic field, what do you think is different about Mars' interior? Predict What would happen to the convec- tion currents in the mantle if Earth's interior cooled down? Why?
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5. The ozone layer protects the Earth from nearly 90% of the sun’s ultraviolet rays. In the 1970s, scientists discovered a hole in the ozone layer above Antarctica and since that time, the hole has got much worse. Exposure to ultraviolet rays has serious consequences for our health, but there are ways that we can help solve this problem. Type of lead: ________ ___________________________________ Types of Leads- — an amazing or unusual fact — a description — a quote — a question — a bold opinion — a statistic (not graded) Biology Practice

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