Answer:
(B) a descending convection current in the Earth's mantle
Explanation:
The connection between the sea floor and ocean produces a conventional current due to its waves
ANSWER:
Biomass is a fuel that is produced from all the organic materials made by plants and animals. It is used as an energy source for many domestic purposes. The most common biomass materials used for energy are plants, wood, and waste. Biomass can be burned to create heat, converted into electricity, or processed into biofuel. Biomass can be burned by thermal conversion and used for energy.
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A. expanding the copra trade.
Tum h o kon aur meri tarah kyun bani hui h o aur