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4. True/False: Linguistics is the scientific study of language.

19. True/False: Language acquisition involves gaining linguistic competence through explicit instruction.

6. True/False: Language teachers need to understand the inner workings of language to effectively teach it.

22. Why is linguistics considered a science?

2. True/False: Exchanging information, greeting someone, and asking for directions are important language functions.

7. True/False: Language teachers should receive more training on the structure of the target language.

10. True/False: Language teachers should be able to utilize linguistic articles and academic resources.

9. True/False: Language teachers often rely on textbooks, limiting their autonomy.

23. What does it mean that linguistics is descriptive rather than prescriptive?

A scaled ice towing tank (1’ wide x 5’ deep) full of ice is used to model ship movement through ice.  Unfortunately, the HVAC system failed, and the 18.2° F ice melted to 99.8° F water.  There is a side gate that can be raised or lowered as needed.  For this problem, assume there was no change in volume when the ice melted. Based on the sketch below (not to scale): Specific heat of ice = 0.46 BTU / lbm × °F Specific heat of water = 1.00 BTU / lbm × °F Heat of fusion of ice / water = 144 BTU / lbm      a. Assuming there are 39.9 slugs of H2O in the tank, compute the total energy (in BTU) required to change the H2O from 25° F ice to 40° F water. b. Find the total vertical component (only) of force, FV, on the gate. Assume