why can models of system represent only certain aspects of the system under study? Explain your answer

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire

Do larger countries receive more money in remittances than smaller countries