What features would you look for as evidence that a shoreline is submergent or emergent?
What will be an ideal response?
To find evidence for a submergent shoreline, I would look for features that were once above sea level that are now below sea level. A drowned river valley (estuary) is a good example of a submergent-shoreline feature.
To find evidence for an emergent shoreline, I would look for features that were once below sea level that are now above sea level. A wave-cut platform or old beach deposits now above sea level are good evidence of an emergent shoreline.
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Briefly explain the principle of the mercury barometer. Mercury is relatively expensive and toxic. Why do you think mercury is used in barometers instead of another fluid such as water?
What will be an ideal response?
Which of the following is NOT true of plant succession?
A) Plants in a community are supplanted by more dominant, longer-term species. B) The length of time for succession to reach a climax varies, depending on the growth rates and lifespans of plants, and on rates and establishment of seed introduction. C) The length of time for succession to reach a climax varies, depending on whether soil development proceeds along with plant growth. D) all plant communities follow the same rate of succession.
One of the conditions necessary for a planet to have a permanent ocean of liquid water is to have a solid cold core
a. True b. False
Cellular respiration and photosynthesis are both complex processes that
A) result in the production of glucose. B) release carbon dioxide. C) generate oxygen from soil minerals. D) require enzymes which promote either synthesis or breaking of chemical bonds.