Gravitational acceleration for the bodies falling freely is: positive
Which planet is second from the Sun? Venus
Which of the following planets is known as its ring? Saturn
Which of following phenomenon gives an evidence for the spherical shape of Earth: Lunar Eclipse
Which layer protects earth from harmful rays of the Sun? Ozone layer
Which is the thinnest earth layer? Crust
Which from the following is true for “Sound”? Sound cannot travel through a vacuum
Inner planets: 4
Inner core is earth’s center with diameter of : 1200 miles
Life is absent on moon due to the lake of: Water
