What is the source of the water vapor in Earth's atmosphere? What is the "sink" for this water vapor? (In other words, how does water vapor leave the atmosphere?)
What will be an ideal response?
There are two sources of atmospheric water vapor: evaporation and transpiration. Evaporation occurs near Earth's surface when water molecules acquire enough energy to break the bonds that hold them in a liquid. The energy for evaporation comes from the Sun. Transpiration is the release of water vapor from plants. The sink for water vapor is precipitation, i.e., it is through precipitation that water vapor leaves the atmosphere.
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Given that the circumference of a circle is 360 degrees, it follows that the earth rotates about this many degrees per hour:
A) 10. B) 15. C) 36. D) 360.
A sea breeze
A) is most common in winter. B) is strongly affected by the Coriolis force. C) requires the formation of a surface low pressure inland. D) flows from land to sea. E) results because water has a lower heat capacity than land.
In mosses, which stage in the alternation of generations is largest?
A) diploid gametophyte B) haploid gametophyte C) diploid sporophyte D) haploid sporophyte
What are some types of ore deposits that have formed in association with contact metamorphism? What will be an ideal response?