It was once a body of water there, having the shell in the rock means that a sea creature lived there so there must have been water there at one time in history.
Answer:
Option (A)
Explanation:
In the above-given question,
Option (B) is wrong with it's usage of the modifier "how'' in the sentence. If the modifier is used in one place (how heat from the inner core flows), it should also be used in the continuing clause (how the formation and periodic reversal).
Options (C) and (D) are wrong in using the word "are" for the whole sentence as there is no need to use this word. The verb form will depend on the subject, in this case, is "the discovery that earth's inner core" which is singular in nature. Thus, the verb form will be -is and not -are.
Option (E) is wrong for it's use of the comma. If the comma is used, then the whole sentence is not a full-fledged sentence but rather a dependent clause with no resolution.
The correct answer for the given passage is option (A).
Answer:
Unitary
Explanation:
In a unitary form of government, all the power rests in a central government. The country may be divided into states or other sub-units, but they have no power of their own
If surface water does not flow into the oceans, then it will be collected into lakes or wetlands for instance in marshes and swamps. Also, Drainage basins collect surface water and direct it on it gravitationally.
