There are instances of low, rounded and subdued topographic features that sometimes being overlooked in the field and has not been seen or observed that's is why vertical exaggeration is necessary to enhance the measurement of height in models and presentation of terrains.
I guess the "mekong" river.
It covers around 1,200,000 square miles.
https://www.britannica.com/place/West-Siberian-Plain
B. Indicate the map’s purpose
Answer: Jupiter is the fifth planet in the solar system from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two and a half times that of all the other planets in the Solar System combined. It has 67 moons and has rings that aren't too visible but still there. Jupiter is the fourth brightest object in the solar system and has the shortest day of all planets. Jupiter orbits the Sun once every 11.8 Earth years.
