Question

Scientists have discovered that the inner core of Earth is solid while the outer core is a liquid. What is the cause of this observation?
a--The outer core has a higher temperature and more pressure than the inner core
b--The outer core has a lower temperature and lower pressure than the inner core
c--The inner core has a lower temperature and higher pressure than the outer core
d--The inner core has a higher temperature and lower pressure than the outer core

Answer 1

c--The inner core has a lower temperature and higher pressure than the outer core

HOPED ANSWER