How does the rotation of the earth give coastlines a high tide and a low tide?
What will be an ideal response?
Answer: The gravitational attraction of the moon pulls out a bulge of water from the surface. As the earth rotates, it passes beneath the bulge to create high tide and passes away from the bulge to create low tide.
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Which of the following methods is considered a type of passive solar energy collection?
A) photovoltaic cells B) using heat?absorbing construction materials C) rooftop flat?plate solar collectors D) OTEC E) rooftop solar panels
What sediment particle size(s) make up shale?
A) Gravel B) Sand and silt C) Silt D) Silt and clay
Which of the following is the [OH-] in pure water at room at room temperature?
A) 1.0 x 10^-14 M B) 1.0 x 10^-7 M C) 1.0 x 10^7 M D) 1.0 x 10^14 M
Which of the following holds the complementary base pairs of DNA together?
A) covalent bonds B) dipole-dipole interactions C) hydrogen bonds D) ionic bonds