How does the snow cover affect soil temperature?
What will be an ideal response?
Air tends to occupy spaces between the ice crystals and air movement through the snowpack is limited. The snowpack is not a very effective conductor of heat and so it insulates the soil from the cold air above. Soil temperatures, therefore, tend to be higher than they otherwise would be.
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Consider the boiling points of the following compounds and their solubilities in room-temperature water. Why does the solubilities in water go down as the boiling points of these alcohols go up.
A. Larger molecules are more attracted to one another by induced dipole-induced dipole as well as by dipole-dipole and dipole-induced dipole attractions. B. As the boiling increases, it is more difficult to keep the alcohol from evaporating out of solution. C. Larger molecules are less attracted to one another by induced dipole-induced dipole as well as by dipole-dipole and dipole-induced dipole attractions. D. As the boiling point increases, the size of the alcohol molecules decreases.
The hydrologic cycle for the Earth system as a whole can be considered a closed system because there is no gain or loss of water
a. True b. False Indicate whether the statement is true or false
The United Nations defines ________ as physical, social, and economic access at all times to safe and nutritious food sufficient to meet dietary needs and food preferences for an active and healthy life
A) caloric intake guidelines B) human rights C) freedom D) economic liberty E) food security
Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.
A. Likely B. Unlikely