Why doesn't the uranium ore in mines spontaneously explode?
What will be an ideal response?
The uranium ore is primarily the isotope U-238, which doesn't fission. U-235 atoms in the ore are too far apart for a chain reaction.
You might also like to view...
A species of barnacle is transported by boat to a new port, where it begins to colonize boats and piers. If the species begins to outcompete other species and cause harm, then it would be considered a____________________ introduced species.
Fill in the blank(s) with the appropriate word(s).
New lithosphere is formed at
A. spreading centers. B. transform plate boundaries. C. ocean trenches. D. convergent plate boundaries.
Gravity always acts downward, which tells us that acceleration due to gravity
A. acts upward. B. acts downward. C. sometime acts upward as well as downward. D. none of the above
Semipermanent high and low pressure cells
A) are present during some years and absent during others B) are always present in exactly the same place C) undergo seasonal changes in position and intensity over the course of a year. D) undergo seasonal changes in intensity but not in position