They say that the sun will blow up after 200 billion years. IS THIS True or false?

MARKING BRAINLIST

True

Explanation:

The sun will become a red giant and increase in size. During that time, the earth will increase in 1 degree each day making it inhabitable to live

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: