Describe the influence of water on global temperatures. What will be an ideal response?
Liquid water’s thermal characteristics prevent broad swings of temperature during day and
night, and, through a longer span, during winter and summer. Heat is stored in the ocean
during the day and released at night. A much greater amount of heat is stored through the
summer and given off during the winter. Liquid water has an important thermostatic
balancing effect—an oceanless Earth would be much colder in winter and much hotter in
summer than the moderate temperatures we experience.
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Which laboratory equipment is needed to prepare solutions of known %(w/v)?
A) a balance B) a volumetric flask C) both a and b D) Neither a nor b
The eventual catastrophic eruption of Mount Saint Helens was
A) a total surprise. B) within only a few days of the first earthquake. C) not preceded by any physical activity. D) related to seafloor subduction at the west coast of North America.
Why do not shear fractures form at 45° to ?1, where the resolved shear stress is at its maximum?
What will be an ideal response?
Which of the following describes the temperature of a rising air parcel?
A. It warms due to compression B. It cools due to compression C. It warms due to expansion D. It cools due to expansion