how have airplanes changed the way the world does business? choose four answers. by making long trips less expensive by shortening travel time by opening up new trade markets worldwide by connecting business partners the fastest by increasing options for travel destinations

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?