400 words
September 11, 2021
1. what is a genetic variation?   2.How does water affect plant and animal growth?   3.how does light effect plant and animal growth?
September 11, 2021

No, the outer core is liquid metal.

The outer core is a liquid alloy of iron and nickel with small amounts of heavy elements.

The inner core is solid iron with small amounts of heavier elements.

 
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