It is the theory of just noticeable differences of JND. In the branch of exploratory brain science concentrated on sense, sensation, and recognition, which is called psychophysics, a simply perceptible contrast or JND is the sum something must be changed all together for a distinction to be discernible, recognizable at any rate a fraction of the time
1. The geography of India greatly influenced the location of early settlements on the subcontinent. Both the Indus and the Ganges rivers carried rich silt from the mountains to the plains. When the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.
2. It was very hot and the soil wasn't good enough for farming.
The answer is D.
Trust me on this, I know that because I am taking the same course right now.
Answer: C
Naturalization is the legal process to obtain citizenship
They break down dead plants and animals. They also break down the waste of other organisms. If decomposes weren't part of the ecosystem then plants wouldn't get essential nutrients, and dead matter and waste would pile up.
