Study the image. How did the Aztec convert lakes into farmland?

with artificial islands
with causeways
with new crops
with new farming tools

Banks offer services such as checking and savings accounts. what do banks do with most of the money they receive in deposits from customers? a) they loan it out to other customers. b) they spend it on new banks in other places. c) they keep it in a locked, secured vault in the bank. d) they send it to the federal reserve in washington, d.c.