The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is / are the reason / reasons?
1.Thermal difference between land and water
2.Variation in altitude between continents and oceans
3.Presence of strong winds in the interior
4.Heavy rains in the interior as compared to coasts
Select the correct answer using the codes given below.
A1 only
B1 and 2 only
C2 and 3 only
D1,2,3 and 4