Which of the following statements about the wetted perimeter is true?
A. The larger the wetted perimeter the faster the velocity.
B. The smaller the wetted perimeter the faster the velocity.
C. The larger the wetted perimeter the greater the discharge.
D. The smaller the wetted perimeter the greater the discharge.
Answer: B
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If you typically consume large amounts of processed foods, and certain wines, which category of chemical hazard is introduced into your system?
a. mutagen, because of the nitrites b. carcinogen, because of the nitrites c. teratogen, because of the nitrites d. mutagen, because of the phosphoric acid e. carcinogen, because of the high fat content
What role do receptor sites play in drug activity?
A. The receptor site is the location that a drug binds to, altering the function of a biomolecule. B. The receptor site removes a drug from the blood stream, which limits negative side effects C. The receptor site is the same as the active site in an enzyme. D. The receptor site is unrelated to drug activity. E. none of the above
Curved water surfaces:
A) have the same evaporative properties as do flat surfaces. B) can require relative humidities greater than 100 percent. C) have lower evaporation rates than do flat surfaces. D) are rarely found in nature.
Which of the following human traits are typical of K-strategists?
A) Ability to outcompete other organisms B) Potential for rapid population growth C) Ability to relocate and thrive D) Parental care of long duration