The pressure on the inner core is greater than on the outer core and the melting point of iron, and because the pressure effect is higher than the temperature effect, the inner core is solidified.
Answer:
They prefer to use children in their businesses because they do not need to be paid, they can do unlimited work without getting any money. They cannot decline the work that is given to them.
(i) a. igneous
(ii) b. core
(iii) b. minerals
(iv.) a. sedimentary rock
(v.) b. crust
