How does mechanical weathering differ from chemical weathering? What will be an ideal response?
In mechanical weathering, physical forces break the rock materials into smaller pieces that retain their
chemical composition; in chemical weathering, the composition is altered.
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A pesticide that is toxic to many pests and non-pest species, is called a
A. monoapplication. B. natural application. C. pest target. D. broad-spectrum agent. E. narrow-spectrum agent.
Producing responsible and constructive technology that can achieve sustainable solutions requires ________
A) funding for scientific research and elimination of damaging and inefficient technology B) importing inferior technology to developing countries while developed countries invest in green technology C) increase of technology developed through self-interest of large companies D) public pressure to put limits on environmental protection E) having citizens be cognizant of the need for politicians to work with "big business"
To increase crop yields, farmers in South China commonly practice
A) double cropping. B) transhumance. C) threshing. D) pastoral nomadism. E) shifting cultivation.
Extremely viscous magma ‘stuck' in a vent of a volcanic cone and solidified forms a(n) ________________
Fill in the blank(s) with correct word