All radio telescopes are refracting telescopes
a. True
b. False
Indicate whether the statement is true or false
False
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You are interviewing a researcher. She states that she does not publish her data from experiments because she does not trust other scientists. How would you respond? (Hint: think about one of the main steps of the scientific method)
What will be an ideal response?
What is the direction of 
at point O?
A. A B. B C. C D. D E. E F. F T. Zero
If the voltage across a circuit element has its maximum value when the current in the circuit is zero, which of the following statements must be true?
1.The circuit element is a resistor. 2.The circuit element is a capacitor. 3.The circuit element is an inductor. 4.The current and voltage are 90° out of phase. 5.The current and voltage are 180° out of phase.
The inflationary theory of the Universe may explain why the background radiation is so isotropic
a. True b. False Indicate whether the statement is true or false