What system in the plant allows water to move up and down the stem?
a. reproductive system c. roots
b. leaves d. vascular system
D
vascular system
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The exam scores of 50 students in a class follow:
 FIGURE 1.png)
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The outer layer of the blastula is called the _____________________
Fill in the blank(s) with correct word
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A box drawn with a solid line in a wiring diagram indicates ___________
A) A complete component B) A transistor C) A resistor D) A portion of a component
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Technician A says that an oxygen sensor produces a voltage output signal based on the oxygen content of the exhaust stream. Technician B says that if the exhaust has little oxygen, the voltage of the oxygen sensor will be close to 0 volts. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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