The correct answer is - 3. maize.
The maize was the basis of the diet of the civilizations of Mesoamerica. It was one of the first wild plants in which the people from this region saw a potential as a big and stable food source, so they started to farm it. All of the civilizations we know from this region, like the Olmecs, Toltecs, Mayans, Aztecs, formed and developed their civilizations around the food source that was provided by the maize.
Answer:
Explanation:
Excessive increase in fishing lead to overfishing and subsequent disappearance of sardine species in the Far Eastern sea.
Answer:
Fewer methamphetamine labs are being operated and/or discovered in the United States.
Explanation:
Although it is difficult to establish a definite conclusion without more information, from what we do know there are few seizures of methamphetamine labs. This could be due to a reduced presence of attempted seizures, to an overall decrease in the number of labs, to more efficient means of hiding the labs from the authorities or to the increased importation of finished products from other countries.