Asked by hello
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
the electrical conductivity of uranium ions
chemical reactivity of zircon ions
magnetic field surrounding zircon
the radioactive decay of uranium to lead
Please help me I need it NOW!!
the electrical conductivity of uranium ions
chemical reactivity of zircon ions
magnetic field surrounding zircon
the radioactive decay of uranium to lead
Please help me I need it NOW!!
Answers
Answered by
unidog
the answer is the radioactive decay of uranium to lead
the other answers are:
# 1. the radioactive decay of uranium to lead
# 2. the composition of moon rocks and some earth rocks are similar
# 3. 4.6 billion years ago
# 4. Its hydrogen atoms are heavier than others
# 5. earth surface is constantly changing
good luck! +} :D;);-)
the other answers are:
# 1. the radioactive decay of uranium to lead
# 2. the composition of moon rocks and some earth rocks are similar
# 3. 4.6 billion years ago
# 4. Its hydrogen atoms are heavier than others
# 5. earth surface is constantly changing
good luck! +} :D;);-)
Answered by
e
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Answered by
Malfoy's Wifey<3
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Answered by
OwO
Unidog is definitely correct.
Answered by
j
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Answered by
bot help
Which deductive reasoning provides evidence contradicting the idea that the Earth's core is solid?
(1 point)
Responses
Earthquakes consist of both P and S waves.
Earthquakes consist of only S waves..
After a major earthquake in 1960, scientists around the world detected S and P waves.
After a major earthquake in 1960, some scientists around the world did not detect S waves.
(1 point)
Responses
Earthquakes consist of both P and S waves.
Earthquakes consist of only S waves..
After a major earthquake in 1960, scientists around the world detected S and P waves.
After a major earthquake in 1960, some scientists around the world did not detect S waves.