Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Anxiety, overexcitement, inability to focus, poor coordination, and shaking are common side effects of substance abuse. The class of drugs includes cocaine, nicotine, ecstasy, and amphetamines.However, any drug when used that can cause euphoria or feeling “high” can become a drug of abuse.
Seed plants became more versatile and able to live in various climates and areas which others could not, letting seed plants to reproduce much more rapidly
It is the process of mitosis