Answer:Go to a parking lot on a rainy day and observe the amount of water running off
the parking lot. Go to a grassy field in another city on the same day to observe
the amount of water running off the field. Compare the two observations.
Explanation:
Down-cut
Explanation:
Lowering a streams base level will cause the stream to down-cut and erode to that level.
- The base level of a stream is the lowest level to which a stream can erode its channel.
- The base level of most streams is usually a function of their ability to down-cut their bed rock.
- Most streams have their base level equal to that of the sea level.
- When a stream downcuts to its base level, it becomes rejuvenated and gains more energy.
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Answer:
melanocortin 1 receptor
Explanation:
The MC1R gene provides instructions for making a protein called the melanocortin 1 receptor. This receptor plays an important role in normal pigmentation. The receptor is primarily located on the surface of melanocytes, which are specialized cells that produce a pigment called melanin.
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Answer:
Major types include fats and oils, waxes, phospholipids, and steroids. Fats are a stored form of energy and are also known as triacylglycerols or triglycerides. Fats are made up of fatty acids and either glycerol or sphingosine.
Explanation:
