The triple point of most substances is:
A) Less than atmospheric pressure.
B) Always measured when a substance is in a closed container.
C) Greater than atmospheric pressure.
D) Dependent upon barometric pressure above atmospheric and ambient temperatures above 70°F.
A
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Controle que los colgantes tengan la longitud correcta _____.
a. después de que se ensamble la pluma b. antes de que se ensamble la pluma c. después de que se conecte el brazo d. después de que se conecte la base de la pluma
The diaphragm keeps the brake fluid from freezing in cold climates
Indicate whether the statement is true or false
How many whole wedges 
inches long can be made from 20 wedge strips, each 3 feet long?
Fill in the blank(s) with the appropriate word(s).
A single loop of wire carrying current I2 is placed near the end of a solenoid having N turns and carrying current I1, as shown in Figure P18.2. The solenoid is fastened to a horizontal surface, but the single coil is free to move. With the currents directed as shown, is there a resultant force on the single coil? If so, in what direction? Why?
