phys. 203 exam 3 questions with correct answers

phys. 203 exam 3 questions with correct answers
// // // // // // //




oceanography //- //CORRECT //ANSWERS(S)✔✔the //study //of //the //earths //hydrosphere



most //of //the //world //is //made //up //of? //- //CORRECT //ANSWERS(S)✔✔ocean



what /
/ocean //takes //up //practically //a //hemisphere? //- //CORRECT //ANSWERS(S)✔✔the //pacific //ocean




oceanology //- /
/CORRECT /


/ANSWERS(S)✔✔the //more //correct //word //for //the //study //of //the //earth's //hydrosphere




bathymetry //- /
/CORRECT //ANSWERS(S)✔✔the //measurement //of //depths //in //the //ocean //below //sea //level




hypsometry //- //CORRECT //ANSWERS(S)✔✔the //measurement //of //elevation //above //sea //level



sounding //- /
/CORRECT /


/ANSWERS(S)✔✔a /


/technique /


/used /


/by /


/sailors /


/for /


/thousands /


/of /


/years /


/to /

,/measure /
/depth /


/below /


/sea /


/level, //lower //a //heavy //object //until //it //hits //bottom //and //then //measure //the //rope //or //chain




fathoms //- //CORRECT //ANSWERS(S)✔✔units //used //to //measure //depth



what /
/is //


a //fathom //in //feet //and //yards? //- //CORRECT //ANSWERS(S)✔✔6 //feet //or //2 //yd //of //ocean //depth



echo /
/sounding //- /


/CORRECT /


/ANSWERS(S)✔✔emit //


a/
/sound /


/into /


/the /


/ocean /


/and /


/it /


/goes /


/to /


/the /


/bottom /


/of /


/the /


/ocean //and //bounces //off //which //is //called //an //echo //and //a //microphone //picks //up //the //echo




what /
/is /


/the /

,/average /
/speed //of //sound //in //the //ocean? //- //CORRECT //ANSWERS(S)✔✔roughly //1 //mile //per //second




If //
a/
/ship /


/emits //


a/
/sound /


/into /


/the /


/ocean /


/and /


/it /


/takes /


/6s //to //detect //the //echo, //how //deep //is //the //ocean? //- //CORRECT //ANSWERS(S)✔✔3 //miles




how /
/does /


/the /


/time(s) /


/relate /


/to /


/depth(mi) /


/in //echo //sounding? //- //CORRECT //ANSWERS(S)✔✔the //depth //is //half //the //time //* //1 //mi




SONAR /
/(Sound /


/Navigation /


/and /


/Ranging) //- /


/CORRECT /


/ANSWERS(S)✔✔a /


/more //accurate //form //a //echo //sounding, //you //emit //many //sounds //and //detect //many //echos

, where //is //maximum //elevation //above //sea //level? //- //CORRECT //ANSWERS(S)✔✔mt //Everest



where /
/is /


/the /


/maximum /


/depth /


/below /


/sea /


/level? //- /


/CORRECT /


/ANSWERS(S)✔✔The //Challenger //Deep //in //the //Mariana //Trench //in //the //pacific //ocean




what //is //the //average //depth //below //sea //level? //- //CORRECT //ANSWERS(S)✔✔3.7 //km



what //is //the //maximum //depth //below //sea //level? //- //CORRECT //ANSWERS(S)✔✔11km



what /
/is /


/the /


/maximum /


/elevation //of //the //continents //above //sea //level? //- //CORRECT //ANSWERS(S)✔✔less //than //9 //km




what /
/is /


/the /


/average /


/elevation /


/of /


/the //continents //above //sea //level? //- //CORRECT //ANSWERS(S)✔✔less //than //1km //(840 //meters)