Answer:
i would say
Burning fossil fuels.
Explanation:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.
Answer:
absolute brightness
Explanation:
The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its absolute brightness
C. Fishing
I think fishing would make sense due to living in a river valley.
Answers: South-East part of Pokhara is opened and it has git the mountain in the southern part. That is why Pokhara receives the highest amount of rainfall in Nepal.