39.5k views
3 votes
Which of the following can supply the energy for modern home heating systems?

electricity
biomass
solar
geothermal

2 Answers

4 votes
I'm not entirely sure but it could be all of those. If not all then electricity or solar
User Cnova
by
6.9k points
4 votes

The answer is ALL.

I am 100% sure.

:)

User Hay
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7.1k points