Consider the Scenario in Which the Minimum Temperature Drops to 1ºC

question 18

Multiple Choice

Consider the scenario in which the minimum temperature drops to 1ºC on a clear night, and fog forms early in the evening the next night. Which of the following describes why it is likely that the minimum temperature will not be as low on the second night?

• A)calm winds that accompany fog
• B)enhancement of the greenhouse effect by the fog cloud
• C)trapping of smoke and dust by the water vapour
• D)increased reflection of solar radiation by fog

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Definitions:

Phloem

The vascular tissue in plants responsible for the transport of nutrients, especially sugars, produced by photosynthesis to various parts of the plant.

Cortex

(1) The outer part of an organ, such as the cortex of the kidney. Compare with medulla. (2) The tissue between the epidermis and vascular tissue in the stems and roots of many herbaceous plants.

Ground Tissue

Tissue found in plants, making up the bulk of the non-vascular structure, responsible for photosynthesis, storage, and support.

Periderm

The protective outer layer of tissue in some plants, replacing the epidermis as the plant grows older.