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.
Hope it helps u! :)
I am not completely sure, but I think it might be B, Migration out of a stage 3 or 4 country is higher than migration to it.
Atmosphere, the global sum of all ecosystems, and the kithosphere
Answer:
- May be it was formed by faulting using the compression forces and hence formed due to the reverse faults formed
- Or, it was formed due to downwarping
Anyways it would have been better if you added the picture of the valley
