Please answer ASAP and explain.
Number B and A are not an energy source. Come on man. It is easy. Good Luck.
disconnect your negative battery cable!
Disconnect the battery cable.
Im not entirely sure, but I would say iron ore because: The soil gives nutrients which is a form of energy The sun gives sunlight which is energy Iron ore doesn't give energy on its own Tides can be used to turn turbines and so can flowing water (?)
a.soil and d. iron ore sun- or obvious reasons tides- tidal energy flowing water- hydroelectric power
