Answer:
i think correct answer is b
What's responsible for the formation of sunspots in the photosphere? please help
Nuclear fusion
Earth's magnetic field
The sun's magnetic field
Gravity
Earth has been cooling since its formation, if this is the case, why is it still hot inside?
A Peridotite xenoliths
B Planetesimals crashing into each other
C Radioactive decay
D Seismic waves
Answer:
Siesmic waves
Explanation: