Which of the following were reasons for the soviet union’s collapse? i. satellite nations declared independence. ii. the soviet union could not compete economically with the west. iii. soviet citizens demanded political and economic reforms. iv. the united states beat the soviet union in a violent battle at stalingrad. a. i. and ii. only b. i. and iv. only c. iii. and iv. only d. i., ii., and iii.

[fw.02]diana is studying four surface features of florida. she classifies the surface features and places them in different columns of a chart as shown below. surface features column 1 column 2 hot springs sinkholes caverns geysers which of these titles best represents column 1 of diana's chart? formed by freezing groundwater o formed by heating groundwater o formed by evaporation of groundwater o formed by chemical action of groundwater