Eratosthenes measured the circumference of Earth to within 4% of the correct value Eratosthenes measured the circumference of Earth to within 4% of the correct value noting how much more of the celestial sphere came into view when walking south. using the detailed reports of far-sailing mariners. looking at stick shadows on the solstice. sighting the stars from within the deepest well in Egypt on the day of the solstice.
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What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided
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What is the final velocity of the initial velocity of 25 and -50?
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Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.
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Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents
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Eratosthenes measured the circumference of Earth to within 4% of the correct value Eratosthenes meas...
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