My guess would be D. Agriculture.
The region with the most rainfall is A, Costal plains
1.weathered materials from rocks and transported to the beach through wind and rivers
2.from rocks weathering and eroding over thousands and millions of years.
Answer:
(i)Poor siting of weather station.
(ii) Interference with the instrument.
(iii) Use of defective instruments.
(iv) Human error.
The main sources are humans which is why it is stated that the global warming is man made. The levels have increased beyond all measure, increasing since the 1950s by a 100 CO2 parts per million, and it keeps increasing by 2ppm on a yearly basis. The statistics from the industrial revolution era are not much different and show how much we've increased the CO2 in modern times.