What factor does NOT contribute to the initiation of an ice age?
A. variety of tectonic movements
B. change in Earth’s rotation speed
C. Milankovitch cycles
D. solar output changes
E. atmospheric circulation changes
B
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________ is the ability of soil particles to stick together
Fill in the blank(s) with correct word
Sustainable soil conservation requires
A) that developing countries maximize short-term strategies for immediate benefits. B) long-term effective farming practices by individual landowners and sound public policy. C) individuals to work for the immediate benefit of their particular interests. D) an understanding of the natural ability of soils to recover quickly from degradation.
The U.S. government Strategic Plan for the Climate Change Science Program (CCSP) has five major goals related to the role of earth scientists in society. 1) Improve knowledge of the Earth's past and present climate and environment, including its natural variability, and improve understanding of the causes of observed variability and change. 2) Improve quantification of the forces bringing about changes in the Earth's climate and related systems. 3) Reduce uncertainty in projections of how the Earth's climate and related systems may change in the future. 4) Understand the sensitivity and adaptability of different natural and managed ecosystems and human systems to climate and related global changes. 5) Explore the uses and identify the limits of evolving knowledge to manage risks and
opportunities related to climate variability and change.What hypothesis underlies these goals? A. Climate will stay about the same. B. Climate has changed in the past. C. Climate will change in the future.
The Colorado River currently empties into a vast delta with wetlands and an estuary.?
Answer the following statement true (T) or false (F)