Question

Which of the following best describes the relationship between demolition and undermining?

1. Undermining must occur first before demolition takes place.
2. Demolition must occur first before undermining takes place.
3. Undermining is a form of demolition that makes the process more controlled.
4. Demolition is useful for buildings; undermining is useful for industrial applications.

Answer 1

i think the correct answer would be number 3

Answer 2

ya hes right its number 3