Describe some of the challenges of cellulosic ethanol production
What will be an ideal response?
These include the difficulties with efficient processing of the complex carbohydrates in herbaceous and woody plant materials, variation in the chemical composition among plant materials, and challenges in transporting, storage, and handling of the bulky plant material. The overall cost-effectiveness of cellulosic ethanol production will likely initially be low.
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Match the following:
1. Compresses the dc current to control the loudness 2. Provides auditory feedback from mouthpiece to earpiece 3. Indicates the status of the phone 4. made up of an 8 ohm speaker 5. automatically adjusts sound levels 6. contains a microphone 7. Produces an ac voice signal riding on a dc current 8. The plastic button on the earpiece of a standard phone 9. Controls voice feedback to the earpiece 10. Contains two thin metal plates that vibrate as you speak A. Mouthpiece B. Earpiece C. Hook Switch D. Duplex Coil E. Compensator
In the final stage, ____________________ drawings are developed that contain the information needed to actually make the solution.
Fill in the blank(s) with the appropriate word(s).
What are the legal requirements to “unmake” or rescind a contract?
What will be an ideal response?
____ can cause an arc to move during a weld.
A. Alternating current B. Air currents C. Uneven flux lines D. Imperfections in the welding material