Rebecca calls 911 because she witnessed a car accident. she speaks to violet who asks her some questions about the accident and tells her that police and paramedics will be on the way. what is violet’s career

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.