Mass movement<span> is the </span>movement<span> of surface material, such as soil, rocks and debris, caused by gravity and other underlying conditions, such as water, wind, ice and human activity.</span>
That statement is true.
When making the world map for example, many advancement were made after we received the idea that the Earth is Round.
So both geographical movement expression and ideas are not something that could be separated.
I believe T, hope this helps!
1:50 000 because 1/100 is only one of a hundred 1:50 is one and a half of one hundred