A significant achievement of the first Agricultural Revolution was the creation of surplus
Indicate whether the statement is true or false
TRUE
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Much of Australia's economic wealth has been built upon
A) fishing B) hydroelectric power C) extraction of raw materials for export abroad to foreign industries D) tourism E) wind power
The residence time of one molecule of water in the ocean is ________.
A. 3 years B. 3,000 years C. 30 years D. 300 years
How is the composition of Earth's present-day mantle used to support the magma-ocean hypothesis?
What will be an ideal response?
In an aqueous solution that has not reached the saturation point, why won't the ions bond to create mineral crystals?
A) The opposite charges of the ions repel each other. B) The ions are too close together to form a regular internal crystalline structure. C) The motion of the dissolved ions keeps them from joining. D) There are too few ions to make any minerals.