Answer:
Those specific plants were having significantly high death rates to probably something eating them so overtime they evolved defenses to make them less desirable.
Explanation:
So, just a problem with predators to make it simple. They needed to evolve to better survive.
That human nature allows people to be selfish. Hope this is right
A. True. Scribes originally came into use for making "receipts" of business trades, and math, science, business and literature were all skills they needed to know.
The Europeans never wanted a war this bad happen again, andere they taught communism could prevent this