Ecosystem and pond,
not sure though but good luck !
To bring oxygen in the body because it is a respiratory organ fish
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 :)
Have a great day
In plant cells, chloroplasts convert light energy into chemical energy, and mitochondria consume the chemical energy to produce ATP.