List and describe the different types of hydrothermal vents
What will be an ideal response?
Warm-water vents have water temperatures below 30°C (86°F) and generally emit water that is clear in color. White smokers have water temperatures from 30° to 350°C (86° to 662°F) and emit water that is white because of the presence of various light-colored compounds, including barium sulfide. Black smokers have water temperatures above 350°C (662°F) and emit water that is black because of the presence of dark-colored metal sulfides, including iron, nickel, copper, and zinc.
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Redlining is, most specifically, a form of
A) gender poverty. B) housing discrimination. C) gentrification. D) ethnic succession. E) fiscal squeezing.
How is it possible for an element to decay "forward in the periodic table"-that is, to decay to an element of higher atomic number?
A. as a beta particle is released, a neutron transforms into a proton B. when the decay is instigated by a collision with a proton C. This only occurs during nuclear fusion. D. It is not possible. Radioactive decay always results in an isotope with the same or lower atomic number.
What has been the consequence of China's "one -child" policy?
A) Average total fertility rate has dropped to 1.6, but the number of baby boys far exceeds the number of baby girls because of gender-selective abortion and abandonment of healthy baby girls at birth. B) The average total fertility rate has declined to 1.6. C) Chinese have emigrated to Japan by the millions to escape the policy. D) The total fertility rate has increased as people routinely break the law to have large families. E) The number of baby girls far exceeds the number of baby boys.
How can wind direction and pressure patterns aloft be estimated visually from the ground?