The variation which has a yearly period is known as _________ variation. Options: A . &nbspDiurnal variation B . &nbspAnnual variation C . &nbspSecular variation D . &nbspIrregular variation

The variation which has a yearly period is known as ________

Question

The variation which has a yearly period is known as _________ variation.

Options:

A . Diurnal variation

B . Annual variation

C . Secular variation

D . Irregular variation

Answer: Option B
Answer: (b).Annual variation

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