Explain why tonic water is an excellent preservative for cut flowers
What will be an ideal response?
It contains sugar to supply the cut flowers with carbohydrate for respiration. It is acidic, which reduces the rate of bacterial growth in the water. It contains preservative, which inhibits bacterial growth in the water.
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Answer the following statements true (T) or false (F)
1. Bearings are always measured counterclockwise. 2. Bearings are specified as either true bearings or magnetic bearings. 3. A N40°E bearing equals a 40° azimuth. 4. A N45°W bearing equals a 45° azimuth. 5. The sum of the interior angles of a closed polygon should equal (n ? 2) × 180°, where n = the number of sides in the polygon.
Welding rod size and ____________________ can be used to control the weld bead characteristics.
Fill in the blank(s) with the appropriate word(s).
A ____ is used to change AC to pulsating DC and increase the output voltage of a circuit.
a. low-power circuit b. transformer c. cathode ray d. voltage multiplier
Core vaccines for all dogs include
A. Distemper B. Rabies C. Parvovirus D. All of the above E. A and B above