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Alja [10]
2 years ago
10

A historical method that shows sediment deposited on a yearly cycle, such as a glacial lake.

Biology
1 answer:
Gnoma [55]2 years ago
3 0
By “varve” we mean an annual layer of sedimentary rocks and varve analysis is the process by which archaeologists can calculate precise dates based on these sediments with known climatic patterns.
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Why is it important to conserve energy?
ivanzaharov [21]
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Mamont248 [21]
This is totally false, the combination of the two could result in overdose or possibly death.
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5 0
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Functional and structural unit of the living organism
telo118 [61]

Answer:

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Explanation:

3 0
2 years ago
What role does transpiration play in the water cycle
Airida [17]

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves. Transpiration also includes a process called guttation, which is the loss of water in liquid form from the uninjured leaf or stem of the plant, principally through water stomata.

Studies have revealed that about 10 percent of the moisture found in the atmosphere is released by plants through transpiration. The remaining 90 percent is mainly supplied by evaporation from oceans, seas, and other bodies of water (lakes, rivers, streams).

Transpiration and plant leaves

Plants put down roots into the soil to draw water and nutrients up into the stems and leaves. Some of this water is returned to the air by transpiration (when combined with evaporation, the total process is known as evapotranspiration). Transpiration rates vary widely depending on weather conditions, such as temperature, humidity, sunlight availability and intensity, precipitation, soil type and saturation, wind, land slope, and water use and diversion by people. During dry periods, transpiration can contribute to the loss of moisture in the upper soil zone, which can have an effect on vegetation and food-crop fields.

7 0
3 years ago
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Suppose we discovered a form of life like our own which utilized 20 amino acids, but had 6 nitrogeneous bases instead of the 4 o
mezya [45]
The minimum legth of a codon could be two. If it was only one of the 6 nitrogeneous bases in a codon, we'd only have 6 possible amino acids. If we have, though, a combination of two amino acids out of the 6 nitrogeneous bases, we would have then 36 possible combinations (6 possibilities for the first position × 6 possibilities for the second position) that would allow the existence of the 20 different amino acids.
In the human case, for example, with only 4 nitrogeneous bases, a combination of two amino acids would be insufficient (4×4=16) for the 20 amino acids.
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