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Bioenergy Brain Teaser

Riddle

Played 2

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Riddles about energy from living matter

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Philippines

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Bioenergy Brain Teaser
 

Bioenergy Brain TeaserOnline version

Riddles about energy from living matter

by jonah
1

I am born from leftovers and all kinds of organic matter. Through a special, oxygen-free process, I can heat homes, light up lights, or drive engines. What am I?

Hints

I is often stored as a gas and used for energy and heat.

No air is involved in my birth during the main process.

I come from decaying plant or animal material.

2

From vegetable oils or animal fat, I’m processed in tanks—imagine that! I power trucks and buses too

Hints

I is often stored as a gas and used for energy and heat.

No air is involved in my birth during the main process.

I come from plants, mostly in Algae

3

I’m chopped from trees, sometimes just dust, Burn me for heat, in me you trust. I’m logs, bark, and branches too, What biomass type am I to you?

Hints

I is often stored as a gas and used for energy and heat.

I am a dust saw

4

I’m smelly and brown, from animals I come, Put me in a digester, I’ll make gas for your home. From cows and chickens I’m often found, What biomass type am I, safe and sound?

Hints

I am manure

I came from animals

5

Thrown away from kitchens and towns, Food scraps, paper, and garbage mounds. Digest or burn me, I’ll give you light, What biomass type am I tonight?

Hints

Banana peel

Food waste

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