147., two successive discount of 20% and 75% is equivalent to a single discount of:

Ais a survey that focuses on only a small portion of the population, and the results are generalized for the larger population.

Which of the following is evidence to the past existence of glaciers?

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.