1250. A broad channel where the water of river and a sea mingle is called:
A.an estuary *
1251. One of the country through which equator passes is?
1252. The earthquake waves which have transverse movements are known as:
B.secondary waves *
D.none of these
1253. Through which one of the following countries the equator does not pass?
1254. A line on a map joining places of equal monthly or yearly rainfall is:
1255. The deepest point of the ocean is:
A.mariana trench (challenger deep) *
1256. Which is the longest mountain range in the world?
1257. Which of the following is the world’s largest island?
D.kalaalit numaat (greenland) *
1258. The origin of earth dates back to approximately ______ ?
A.3.6 billion years
B.4.6 billion years *
C.5.6 billion years
D.6.6 billion years
1259. The sun always rise in the East because:
A.it is located in East
B.the earth rotates from East to West
C.the earth rotates from West to East *
D.the earth revolves around the sun from West to East
1260. Spring tide occurs when the:
A.earth, moon and the sun are in a straight line *
B.sun, earth and the moon are at the right angles to each other
C.earth comes near the sun
D.earth is away from the sun