There were only four glacial ice advances during the Pleistocene
a. True
b. False
Indicate whether the statement is true or false
False
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The annual electricity consumption of a household is 9,800 kWh. How many pounds of coal must be burned in a power plant to address this need? Assume a combined overall efficiency of 30% for the power plant and the transmission lines.
What will be an ideal response?
Which of the following statements is FALSE about volcanoes?
A) volcanoes usually provide an array of warnings before they erupt, thus minimizing the loss of life should humans heed the warnings B) volcanoes tend to generate very poor soils for agriculture C) volcanoes are found in site-specific places on Earth, most notably along plate boundaries D) volcanoes are an excellent source of geothermal energy E) volcanism may provide tourism revenue due to the scenic beauty of the landscape
Which of the following is true of the equatorial positions in cyclohexane?
A) Each carbon atom of the ring has two groups bonded to it in equatorial positions. B) Each carbon atom of the ring has one group bonded to it in an equatorial position. C) The equatorial positions are all on the same side of the ring. D) The axial and equatorial positions on each carbon atom are on the same side of the ring.
You go camping in Canada with a friend. You both go to bed when the Sun goes down and get up when the Sun comes up, but you both notice that you are not getting enough sleep! What time of year are you most likely near?
A) fall (autumnal) equinox B) summer solstice C) spring (vernal) equinox D) winter solstice