Even though Titan has liquid methane on its surface, some internal heat, and plenty of carbon-containing compounds, it is not a suitable place for life because
A) Titan orbits within Saturn's radiation belt so its surface is completely sterilized by high-energy particles
B) there is too much volcanic activity on the surface
C) it has no ozone layer to protect the surface from harmful UV rays from the Sun
D) it is far too cold, and methane is not a very good biological solvent
D
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In the diagram, each resistor is 3 ohms and the battery is 9 volts. What is the current through the middle resistor?
A. 3 A to the right
B. 3 A to the left
C. 9 A to the right
D. 9 A to the left
E. 1 A to the left
The Milky Way galaxy is an example of a grand-design galaxy
a. True b. False Indicate whether the statement is true or false
If a watt is a unit of power, how can a kilowatthour be a measure of energy? Explain
What will be an ideal response?
Which of the following statements is true about any collision between two objects with no net applied force acting?
a. Momentum is never conserved and kinetic energy is always conserved. b. Momentum is always conserved and kinetic energy is never conserved. c. Momentum is always conserved and kinetic energy is sometimes conserved. d. Momentum is sometimes conserved and kinetic energy is always conserved. e. Momentum and kinetic energy are both always conserved.