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How are volcanoes useful to man?

i.The soil formed by the weathering of lava rocks is fertile.

ii.Geysers are formed

iii.Volcanic ash is a good manure



Ai only

Bii and iii only

Ciii only

Di,ii and iii

Answer:

D. i,ii and iii


Related Questions:

Which of the following latitude/s  receive most intense sunlight?

i. Antarctic Circle

ii. Tropic of Capricorn

iii. South Pole

iv. The Arctic Circle



Which of the following is a crescent-shaped landform?

i.Barchans

ii.Mushroom rocks

iii.Deltas

iv.Flood Plains

Proposed Capital of Andhra Pradesh is :
ഭൂമിയിലേക്കു സൂര്യനിൽ നിന്നു താപം എത്തിച്ചേരുന്നത് ?

Choose the false statement/s among the following statements:

 i.The southwest monsoon is a continuation of the southeast trade wind, deflected towards the
Indian subcontinent after crossing the equator.


 ii.In winter India is under the influence of North West monsoon due to westerly jet stream


 iii.The southwest monsoon sets in over the Kerala coast by 1st june.


 iv.The shift in the position of the ITCZ is related to the phenomena of the withdrawal of the westerly jet stream from its position over the north Indian plain.