The rings of Uranus were discovered during a(n) _______________ when Uranus crossed in front of a star
Fill in the blank(s) with correct word
occultation
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How does the lava that forms a steep-sided volcano (a stratovolcano) compare to the lava that forms a shallow-sloped volcano (a shield volcano)?
A) The lava is thicker (higher viscosity) for the steep-sided stratovolcano. B) The lava is runnier (lower viscosity) for the steep-sided stratovolcano. C) The lava comes from deeper in Earth's mantle for the steep-sided stratovolcano. D) The lava comes from a very shallow layer of Earth's crust for the steep-sided stratovolcano. E) The lava contains more metal for the steep-sided stratovolcano.
In Robert Frost's classic poem, when he ends with "ice will suffice," the universe is:
A) closed. B) critical density. C) open. D) Euclidean. E) Relativistic.
In a polyethylene long-chain molecule, the carbon-carbon and hydrogen-carbon bonds are all ______________bonds.
Fill in the blank(s) with the appropriate word(s).
A ball rolls over the edge of a platform with a horizontal velocity of magnitude v. The height of the platform is 1.6 m and the horizontal range of the ball from the base of the platform is 20 m. What is the magnitude of v if you can ignore air?
What will be an ideal response?