Asteel plate has a hole in it with a diameter of exactly 1.0 cm when the plate is at a temperature of 20 degrees c. a steel ring has an inner diameter of exactly 1.0 cm at 20 degrees c. both the plate and the ring are heated to 100 degrees c. which statement is true?
a. the hole in the plate gets smaller, and the opening in the ring gets larger.
b. the opening in the ring gets larger, but we need the relative size of the plate and the hole to know what happens to the hole.
c. the hole in the plate and the opening in the ring get larger.
d. the hole in the plate and the opening in the ring get smaller.
e. the hole in the plate and the opening in the ring gets smaller.

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Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?