How do desertification and deforestation lead to reduced precipitation and drought?
What will be an ideal response?
The loss of plants means reduced transpiration, so the amount of local rainfall declines. Drought encourages desertification, which results in more drought in a positive feedback cycle. Plants cannot thrive in a region where the topsoil has blown away. With less transpiration, less water enters the atmosphere, so local rainfall decreases.
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Enzymes that are always present, regardless of the amount of substrate, are ________.
A. regulated enzymes B. endoenzymes C. exoenzymes D. constitutive enzymes E. apoenzymes
The equation for cellular respiration is: C6H12O6 + 6O2 ?? 6CO2 + 6H2O. At what specific point in the cellular respiration process has glucose been broken down completely from a six carbon molecule to 6 molecules of CO2?
A. During the condensation reaction in the Citric acid cycle B. During the second oxidation in the Citric acid cycle C. During the priming reactions in glycolysis D. During pyruvate oxidation E. During the oxidation and ATP formation reactions in glycolysis
Decrease friction; controls vessel permiablilty; absorption and secretion
A. Pseudostratified columnar B. Simple columnar C. Simple cuboidal D. Simple squamous E. Stratified squamous F. Transitional
The benthic province includes the intertidal zone, represented by letter ____, and the abyssal zone,
represented by letter ____.
a. G; H b. B; H c. E; H d. B; C e. E; F