The B horizon, or subsoil, is often called the "zone of accumulation" where chemicals leached out of the A and E horizon accumulate. The word for this accumulation is illuviation. The B horizon has a lower organic matter content than than the topsoil and often has more clay.
Don’t open that link that the person posted but i’ll try and figure it out give me a min
La electricidad que se genera aprovechando la energía del agua (primero potencial y luego mecánica) se llama hidroelectricidad. “Hidro”, viene del latín y significa agua. Este tipo de energía eléctrica se produce en plantas generadoras conocidas como centrales hidroeléctricas .
C. I’ve half of the population live in the mountains or mountain ranges
The given infinite geometric series is

The first term is a = 1/3.
The common ratio is r = 1/3.
The sum is

Answer: 1/2