The compound predicate is found in Sentence 3. The verbs are Slow and Make.
No you only need a comma is the dependent clause is before the independent clause.
Answer: <u>old</u>
Explanation:
When Helen was six months <u>old </u>, she could say "Wah-Wah” for water. What’s in the blank?
the spiritual disciplines, The purposes and practices of these disciplines are approached in such a way that they can be adapted across belief systems.
in my opinion i don't know if this is what you were asking for but