3.1    Meanings :

1.  Crevices  –  a long narrow opening .

2.  Excessive  –  beyond normal limits .

3.  Associated  –  having partial rights and privileges.

4.  Reservoir  –   tank used for collecting and storing a liquid .

5.  Regulating  –  the act of controlling or directing according to rule .

6.  Despite  –  lack of respect .

7.  Replenishable  – fill again .

8.  Perennial  –  lasting .

9.  Sediment  –  matter that settles to the bottom of a liquid .

10.  Triggered     that causes something to start .

11.  Devasted  –  destroy .