Who were the first europeans to settle in canada? english french norwegians spanish

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

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

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal