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A large trunk glacier erodes downward more rapidly and carves a deeper valley than do smaller tributary glaciers.
Nuclear Fission
A nuclear reaction in which a heavy nucleus splits into smaller nuclei with the simultaneous release of energy.
Control Rods
Components used in nuclear reactors to control the rate of fission by absorbing neutrons, critical for maintaining a safe and stable nuclear reaction.
Nuclear Fusion
Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles, releasing significant amounts of energy.
Depleted Uranium
Uranium with a lower content of the fissile isotope U-235 than natural uranium, used in military projectiles and for shielding.
Q3: Most earthquakes occur at great depths.
Q10: _ are commonly left after complete chemical
Q13: Landslides are natural phenomena that humans can
Q22: Metamorphic rock forms from pre-existing rock when
Q24: The continental crust is _ beneath mountain
Q29: A sandstone with more than 25% sand-sized
Q30: Braided streams flow in a network of
Q34: _ are chains thousands of kilometers long
Q48: The _ resulted from the collision of
Q55: Pahoehoe lava flow is characterized by a