Question

Which force of weathering is the main cause of a landslide?
gravity
heat
ice
wind

Answer 1

As the period number increases on the periodic table (moving from the top of the table to the bottom), A. the number of the principal energy level containing the valence electrons decreases. B. the atomic number decreases and the atomic mass increases. C. the number of the principal energy level containing the valence electrons increases. D. the atomic number increases and the atomic mass decreases.

Answer 2

gravity is the biggest cause of landslides

Answer 3

thank you all