A radioactive isotope is
A) an unstable nucleus that gives off radio waves
B) a nucleus that formed from the fusion of two other nuclei
C) a stable nucleus that is formed from the fission of a large unstable nucleus
D) an unstable nucleus that spontaneously breaks apart
Correct Answer:
Verified
Q23: In alpha decay,
A) a proton turns into
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
Q29: Fossils are found
A) mostly in igneous rocks
B)
Q30: In electron capture,
A) a proton turns into
Q31: Different layers of sedimentary rocks deposited over
Q32: Basalt is a common type of
A) meteoritic
Q33: In radioactive decay, the changed nucleus after
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