Which of the following statements are correct?
(i) The lower part of the thermosphere is called the ionosphere.
(ii) The average annual rainfall in Kerala is 3000 cm.
(iii) The majority of electricity generated in Kerala is produced at the hydroelectric power station in Idukki district.
(iv) Electricity for the operation of artificial satellites is obtained.
Aഎല്ലാം ശരിയാണ്
BII,III,IV
CI,III
DII,IV