Plants adapted to the desiccating effects of the land environment with the evolution of
a. a cambium layer. d. cutin.
b. scales. e. bark.
c. leaves.
D
Environmental & Atmospheric Sciences
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Which of these force fields can increase a moving electron's speed?
A. Electric field. B. Magnetic field. C. both of these D. none of the above
Environmental & Atmospheric Sciences
A mutation in which one nucleotide is substituted for another is called a
A. point mutation. B. frameshift mutation. C. nonsense mutation. D. none of the above
Environmental & Atmospheric Sciences
?Given the following formula: ? Population change = (births + immigration)?(deaths + emigration) ? What are two ways that the rate of the global population change can be reduced?
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
What is meant by salinization, and what are its consequences? How does irrigation cause salinization?
What will be an ideal response?
Environmental & Atmospheric Sciences