What is folding? (Geography)

A fold is a bend in the rock strata. Folding: This Is a type of earth movement resulting from the horizontal compression of rock layers by internal forces of the earth along plate boundaries. An unfold are termed as anticlines. The downfolds are termed synclines. Folding.

the value of the 4 in the hundreds place is 400 while the value of th e 4 in the tens place is 40

400 is way bigger than 40.