True or False No. 5

There are between five and six thousand different languages spoken in the world today.
True or False?

The human species has more scent-producing glands than any other primate.
True or False?

Infants have little ability to think symbolically or conceptually until they acquire language.
True or False?

* Humans have a comparatively long childhood, and a short adolescence, so that children can learn the complex social and moral lessons before the onset of parent-child competition.
True or False?

Significant social and cultural change is currently measured in decades, rather than centuries or half-centuries.
True or False?

Agricultural field systems first appeared in New Guinea, near Australia, over ten thousand years ago.
True or False?

Like genes, languages evolve because they accumulate mutations.
True or False?

On a sunny day, the temperature near the ground surface can be as much as 20 degrees hotter than only a couple of feet away from the Earth.
True or False?

In American and British middle-class society, about one birth in twenty reveals a false paternity.
True or False?

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