What are the key points of cell theory?

•All living things are made up of one or more cells

•All cells arise from pre existing cells by division

•The cell is the fundamental unit of structure and function in all living organisms

Hope this helped

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The earth's inner core is the earth's innermost part. it is primarily a solid ball with a radius of about 1,220 km (760 miles), which is about 70% of the moon's radius.[1][2] it is composed of an iron–nickel alloy and some light elements. the temperature at the inner core's surface is approximately 5,700 k (5,430 °c), which is about the temperature at the surface of the sun.