Answer:
What did researchers learn from terra preta?... Because terra preta is loaded with so-called bio-char -- similar to charcoal -- it also can pull substantial amounts of carbon out of the increasing levels of carbon dioxide in the Earth's atmosphere, helping to prevent global warming.
How is bio-char different from the traditional Amazonian method of creating terra preta? Terra preta owes its characteristic black color to its weathered charcoal content, and was made by adding a mixture of charcoal, bone, broken pottery, compost and manure to the low fertility Amazonian soil. ... Terra preta soils were created by farming communities between 450 BCE and 950 CE..
The BBC's Unnatural Histories presented evidence that the Amazon rainforest, rather than being a pristine wilderness, has been shaped by man for at least 11,000 years through practices such as forest gardening and terra preta.
C: The organelles are enclosed in membranes
The correct answer is: The Hypothesis of *EVOLUTION*.
Because wood has a very high specific heat, in opposition to that of metal, whose specific heat is multitudes lower, meaning it will take astronomically longer for a user holding a pot of boiling water to get burned (because the wood will not get up to the temperature of the water for a very long time) than if the handles were metal.
(paraphrase as needed OP)
