What does all the "dead plant and animal stuff"
turn into after millions of years?

fossil fuels.

Explanation:

Fossil Fuels (coal, natural gas, and petroleum) were formed from plants and animals that lived and died millions of years ago are called "Fossil Fuels" because they were made from plants and animals that lived during geologic periods millions of years ago.

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explanation:

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."