Match each item with a statement below.
A. Create light when electricity passes through a tungsten filament encased in glass, causing it to glow and create light.
B. Use a filament inside a compact glass envelope filled with gas.
C. Create light when electricity passes through gas inside a phosphorous-coated glass tube, causing it to glow.
D. Semi-conductors that glow when electrical current passes through them.
E. A variation on fluorescent technology that use an electromagnet to cause gas in the lamp to glow.
F. A variation on incandescent lamps that are made with mercury vapor, metal halide, and high and low pressure sodium gases.
A. Incandescent lamps
B. Halogen lamps
C. Fluorescent lamps
D. Light-emitting diodes
E. Magnetic induction lamps
F. High intensity discharge lamps
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____________________ means actually doing something, rather than reading or hearing others tell
about it.
Indicate whether the statement is true or false.It is important ____ to remove scabbed tissue, which is the way a cut flower naturally “heals” itself
The waxy substance produced by the stem in order to halt moisture loss is actually impervious to water.
a. to re-cut flower stems b. to put flowers into warm water c. to use special plant food d. to immediately immerse cut stems in very cold water
BST is a naturally occurring hormone that stimulates cows to produce:
a. Leaner meat c. More milk b. More marbling in meat d. Less milk fat
What is the difference between compounding and wet sanding?
What will be an ideal response?