In the Last Twenty-Five Years,the Yen and German Mark and Now

question 7

Multiple Choice

In the last twenty-five years,the Yen and German mark and now the Euro have

• A) fluctuated widely against the dollar
• B) appreciated against the dollar and then depreciated against the dollar
• C) exchanged without restrictions
• D) all of the above
• E) none of the above

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Definitions:

Stomata

Small openings on the surface of plant leaves and stems that allow for gas exchange, playing a critical role in photosynthesis and transpiration.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.

Cohesion-tension

A hypothesis that explains the process of water movement up plants due to water molecules' cohesive and adhesive properties and the evaporation of water from the leaves.

Xylem

the vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem.