Answer:
bat research for what purpuse? like what can whatever they've found be useful in the scientific community?
Explanation:
If it already has the souce before it like for example it says " According to blank "Evidence" You still have to put the parentheses even though it is still there.
The rock was weathered by water, sand, and other rocks
Answer:
Ummmmmm
Explanation:
I hope somebody else can help you cause I don't exactly know
