Cracks in rocks : mechanical
Lichen growing on rocks : chemical
Roots or plant growth making cracks in the concrete : mechanical
Worn away statues : chemical and mechanical in my opinion
Exposed rocks : mechanical
Rust on rocks : chemical
Blue stars are always the hottest
The cycle of phases has an average period of 29.53... days (rounded).
If the moon is full tonight, then it will be full again in 59.06 days.
59.06 days is 8 weeks and 3.06 days.
Does that fit what you mean by "about" 8 weeks ?
Answer:
4
Explanation:
Pretty sure it's right, have good day <3
Petroleum : n
aluminum : r
dirt : r
salmon : r
coal : n
