A mixer-grinder becomes hot while grindi...

A mixer-grinder becomes hot while grinding. This is because the

heat energy is converted to mechanical energy

heat energy is converted to electrical energy

mechanical energy is converted to thermal energy

energy is created

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Graphite is soft while diamond is hard because

Graphite in powder form

Diamond has `sp^(2)` hybridization but graphite has `sp^(3)` hybridization

Graphite is in planar form while diamond is in tetrahedral form

Graphite is covalent and diamond is ionic

blue algae

green algae

blue green algae

mosses

denser

less dense

equally dense

the given statement is wrong