?Automatic sorting systems detect the chemical makeup of material, such as the ____ systems that detect opacity.
A. ?single wavelength infrared (IR)
B. ?multiple wavelength IR
C. ?optical
D. ?X-ray
Answer: A
You might also like to view...
Would you label Theodore Roosevelt a radical, liberal, moderate, or conservative? Justify your choice.
What will be an ideal response?
____________________ is an inflammation of the mammary tissue
Fill in the blank(s) with correct word
Which type of cell is essential to the agricultural industry?
a. Eukaryotic c. Both eukaryotic and prokaryotic b. Prokaryotic d. Neither eukaryotic nor prokaryotic
The dangerous proviso that Germany attached to its Sussex pledge not to attack unarmed neutral shipping was the requirement that
A. Americans would have to refrain from sailing on British-owned passenger ships. B. U-Boats could capture merchant vessels if the submarines surfaced. C. the Americans would have to guarantee that passenger vessels were not secretly carrying military supplies. D. the United States would have to persuade the Allies to end their blockade of Germany or submarine warfare would be resumed. E. Woodrow Wilson would have to seek a fair, negotiated settlement of the war.