SHREYA'S+QUIZ

SHREYA'S QUIZ __//**Question 1:**//__ Which is the only planet where life exists? How old is earth? __//**Question 3 :**//__ In all there are how many continents? __//**Question 4 :**//__ Area wise which is the biggest continent? __//**Question 5:**//__ Which is the largest planet on the planet earth? __**Question 6:**__ which is the uppermost layer in the interior of the earth? __**Question 7:**__ What is the crust made up of? __** Question 8: **__ How many divisions [parts] are there in the interior of the earth? __//**Question 9:**//__ What is the thickness of the lithosphere? __**Question 10:**__ The temperature at the centre of the earth is estimated to be? __//**Question 11:**//__ Earth rotates in about hours? 20 24 50 __**Question 12:**__ Who formulated the geocentric theory? Newton Galileo Ptolemy __//**Question 13:**//__ Earth has how many natural satellites visible to the naked eye? one two three
 * MARS
 * EARTH
 * JUPITER
 * __// Question 2: //__**
 * 3.6 billion years
 * 5.6 billion years
 * 4.6 billion years
 * 5
 * 8
 * 7
 * Africa
 * Antarctica
 * Asia
 * Antarctica
 * Asia
 * Sri lanka
 * mantle
 * crust
 * core
 * solid rocks
 * liquid substances rocks
 * three
 * four
 * two
 * 200 km
 * 300 km
 * 400 km
 * 5000 C
 * 6000 C
 * 4000 C