The reverse of the respiration reaction is the reaction known as
A) combustion.
B) oxidation.
C) photo-synthesis.
D) inhaling.
E) exhaling.
C
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A 1000 
resistor is in a circuit with 30.0 mA flowing through it. A voltmeter with internal resistance 1000 
is used to measure the voltage across the resistor. What is the reading from the voltmeter if 30.0 mA still flows in the circuit?
A. 30.0 V B. 29.9 V C. 27.0 V D. 15.0 V E. 3.00 V
The acceleration due to gravity is 10 m/sec2. If an object falls from rest, its instantaneous speed at the end of the fifth second is (neglecting air resistance)
A) 10 m/sec. B) 5 m/sec. C) 100 m/sec. D) 50 m/sec. E) impossible to determine from the given information.
A 10.00-V battery is connected between two parallel metal plates 4.00 mm apart. What is the magnitude of the electric field between the plates?
a. 2.50 × 10^3 N/C b. 25.0 N/C c. 14.0 N/C d. 4.00 × 10^?6 N/C e. 2.90 × 10^3 N/C
A uniform bridge span weighs 70.0 kN and is 40.0 m long. An automobile weighing 15.0 kN is parked with its center of gravity located 15.0 m from the right pier. What upward support force does the right pier provide?
a. 40.6 kN b. 51.3 kN c. 25.6 kN d. 44.4 kN e. 42.5 kN