C. It erodes away the material under it until the arch crashes down as well
C I think may be correct not sure tho
Answer:
Tornadoes form when warm, humid air collides with cold, dry air
Explanation:
A) The topic of the paragraph is “Indonesia”.
b) The main idea about the topic is to share some important knowledges and beauty to the people.
c) The beauties of Indonesia, the historical sights, the beautiful things and places in Indonesia helps to explain the main idea.
Hope it helps:)
