The Suez Canal marks the border between Asia and Africa.
It is second division. Second division starts from 45 % marks.
Its the Ural Mountains in Russia
Africa, Asia, Europe, and South America are continents that are partly in the northern hemisphere and partly in the southern hemisphere. These continents straddle the equator, which marks the division between the northern and southern hemispheres.
60%
I got 609 marks
The Permian-Triassic mass extinction event marks the division between the Paleozoic and Mesozoic eras. This mass extinction, which occurred around 252 million years ago, resulted in the loss of about 90% of marine species and 70% of terrestrial vertebrate species.
Africa is the only continent that lies in both the Eastern and Western Hemispheres. The prime meridian, which marks the division between the Eastern and Western Hemispheres, passes through the continent.
On a Fahrenheit thermometer the long marks represent a full degree. There are four shorter lines between the long marks that indicate two degree increments.
rift
For first division overall 60% or more than 60% marks are required and second division 45-59%(More than 45 and less than 60% marks), for third Division its less than 45% marks.
Between Dover & Calais: It marks the division of the English Channel & the North Sea. At its narrowest its about 21 miles wide,