A ball is thrown vertically upward. Due to air resistance, its downward speed compared to its initial upward speed is
A. less.
B. zero.
C. the same.
D. more.
Answer: A
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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.How are these goals consistent with the characteristics of good science? A. They rely on empirical evidence. B. They rely on accepted theories. C. They rely on scientific opinions.
List three examples of trace fossils
What will be an ideal response?
All of the following facts support the concept of a warming climate EXCEPT
A. the growing season of crops has increased. B. ice sheets are thinner and glaciers are retreating. C. sea level has increased. D. volcanoes are more frequent.
Why is the ozone layer important?
a. It insulates Earth. b. It increases the temperature. c. It protects Earth from ultraviolet rays. d. It stabilizes the atmospheric layers.