How were the Mayan and Olmec civilizations alike?

Two other similarities between these civilizations is the use of a calendar, which they used to predict eclipses, schedule religious ceremonies, and determine when to plant/harvest crops, and go off to war.

Explanation:

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

responsibilities im assuming