You may be offered hip replacement surgery if: 1  you have severe pain, swelling and stiffness in your hip joint and your mobility is reduced. 2  your hip pain is so severe that it interferes with your quality of life and sleep. 3  everyday tasks, such as shopping or getting out of the bath, are difficult or impossible.
The Earth is made up of four distinct layers: 1  The inner core is in the centre and is the hottest part of the Earth. 2  The outer core is the layer surrounding the inner core. 3  The mantle is the widest section of the Earth. 4  The crust is the outer layer of the earth.
Okay in my homework it ask me what part of the Earth is the coldest so i know that the that the inner core is the hottest layer of the the Earth but I'm not quit sure what the coldest layer is so peoples please help me out! thank you and i really appreciate it! have a blessed week.