Where did most of the heat of the Earth come from at its formation?
A Seismic waves
B Radioac...
Biology, 16.12.2020 01:00, mfweldon64
Where did most of the heat of the Earth come from at its formation?
A Seismic waves
B Radioactive decay
C Planetesimals crashing into each other
D peridotite xenoliths
Answers: 1
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Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
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