Questions

The main cause of Tsunami is Earthquake on Sea Surface.

A mountain is what has roots that nobody sees, Is taller than trees, Up, up it goes, Yet it never grows.

Alternative (a) refers to a delta

A faint ring encircles Jupiter. Neptune and Uranus are also reported to show some sort of ring.

The sentence talks about “drought and food security” which has pestered the region and in addition to that the climate and geography has worsened the matter and forced them to come to isolation. “Relegate and downgrade” are the two words which means to move down to a lower position arethe most suitable word to be filled in the blank. “alleviates” which means to make less severe, will not complete the sentence sensibly. “Transgress” which means “to misbehave or to break the law” which does not fit in the context whatsoever.