So, when converting Celsius to Kelvin, this could be a very tricky step. When converting it to Kelvin, we would most likely known that the number would be very big, not to big, but in the hundreds. And as for this, your answer would be 291.15
It is a conical volcano built up by many layers of hardened lava, tephra, pumice and volcanic ash. It is also known as a Stratovolcano.
Plateau is the answer and i have to keep typing so it validates my answer.