Darwin’s studies of animals in the Galapagos Islands were important in the development of the theory of evolution
a. True
b. False
True
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Using Map T-1, the “Hawaii, Hawaii,” topographic map (scale 1:250,000; contour interval 200 feet), calculate the gradient of Mauna Loa (19°28'17"N, 155°35'41"W) along line AB, from the 5000', contour (near Point A) toward the summit. On the edge of a piece of paper measure out a distance of 10 miles using the graphic map scale, and then determine the elevation change over that distance.
In this problem, you will compute the gradients of Mauna Loa in Hawai‘i, Mount Vsevidof in Alaska, and SP Mountain in Arizona. (You may also determine the elevation changes and distances needed to calculate these gradients by using Google Earth™.) The recommended starting point and distance to measure are given for all three volcanoes.
During an equinox, the days and nights are of equal length except at the poles. Indicate whether the statement is true or false
As a stream's velocity decreases, which of the following sizes of sediments will be deposited last?
A) gravel
B) clay
C) silt
D) boulders
E) sand
Violent tornadoes (with winds exceeding 180 knots) that contain smaller whirls rotating within them are called ____
a. multi-vortex tornadoes b. supercell tornadoes c. suction tornadoes d. tornado families e. tornado outbreaks