In alpha decay,
A) a proton turns into a neutron
B) a neutron turns into a proton
C) a proton turns into an electron
D) a helium nucleus is ejected
Correct Answer:
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Q18: When a metamorphic rock is melted and
Q19: In geology, a crystal of a particular
Q20: Which of the following processes is believed
Q21: Limestone is a common type of
A) metamorphic
Q22: Mineralogical analysis of a rock can tell
Q24: A fossil is found in a layer
Q25: The method of dating the ages of
Q26: Fragments of rocks formed due to erosion
Q27: A fossil is found in a layer
Q28: A radioactive isotope is
A) an unstable nucleus
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