The correct answer is A !
It was believed that the magnetic field to be generated deep down in the Earth's core. But the truth is the flow of liquid iron generates electric currents, which produces magnetic fields.
But the truth is no one really knows for certain so the only thing we know is that the spin of the earth is the cause of its magnetic field
Hope this helped :)
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Fewer. more expose to sun could kill plants off.
The second one hope that helps
Answer:
Since large and hard seeds survived the drought, that means that finches with large beaks survived the drought. Finches with small beaks would not be able to eat the large seeds and would not survive.
