Sydney has been labeled an "alpha city." what is an alpha city? a. a city that has the potential for becoming a capital city
b. a city that has a population over one million
c. a city that is an important hub in the global economic system
d. a city with an gross domestic product over that of neighboring cities

Which of the following is a reason why people are vacationing in slovakia

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

What's erosion? a. the breakdown of rock into smaller pieces b. the removal of weathered products from rock c. a change in rock resulting from exposure to water d. a chemical change in rock that weakens it