What must happen to uranium before it can be used as a fuel source?
A. Stable U-235 must be enriched with 3% radioactive U-238.
B. Stable U-238 must be enriched with 3% radioactive U-235.
C. No changes are necessary.
D. Unstable U-235 must be enriched with 5% U-238 to stabilize it.

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted