We can say that these theories are human constructions.
These theories were constructed, or created by humans, which makes them human constructions. They didn't exist before humans made them - they weren't previously part of nature around us. Rather we created them to suit our own needs and to make us understand life in general.
Answer:
that would be volunteer bias because that would negatively affect our study.
The best answer is B. The river flooded yearly which allowed the fertile sediment on the bottom of the river to flow onto the farmland, keeping it fertile.
The correct answer is Bounty
The book by academics Erik Brynjolfsson and Andrew McAfee, respectively director and chief researcher at the MIT Digital Business Center, is a kind of three in one of futurology.
No mention of globalization - and yet the earnings of workers in rich countries are likely to have migrated less to the world of metals linked by screws and chips, and more to the world of the poorest countries, especially in Southeast Asia.
This is not so much a fault of the authors. This is a limitation of futuristic projections. When extrapolating some trends, it is natural to forget others.
