The correct answer is - A. Devonian.
The Devonian is one of the seven periods of the Paleozoic Era. It lasted for 50 million years, from 410 million years ago until 360 million years ago. It is the period in which the first insects evolved, the first seeded plants, as well as the first land vertebrates. This period came after the Silurian period, and was followed by the Mississippian period.
Answer:
<em><u>The Himalayas act as a boon for India as they act as a barrier to cold siberian winds. They give tropical touch to the climate of India. They stop rear-bearing monsoon winds from crossing into Tibet and force the wids to shed their moisture within Indian- subcontinent.</u></em>
The opening of the Panama Canal affected transportation because now, sailors didn't have to sail ALL the way around South America.
I believe it is a landform.
