Which of the following word occupy space in the giving statement. ________is the region of stable landmass occupied by resistant rocks of igneous origin, showing resistant to geomorphic processes e.g. Canadian Shield.

Question:Which of the following word occupy space in the giving statement. ________is the region of stable landmass occupied by resistant rocks of igneous origin, showing resistant to geomorphic processes e.g. Canadian Shield.

1.Shield

2.Ancient structure

3.Firm structure

4.Tectonic plate

Answer:1