I believe it’s a rain forest
<span>The ratification of the Thirteenth Amendment in December 1865 officially ended slavery. </span>
Answer:
Hydrosphere
I learnt it in Science laboratory
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 ?