四條riddles謎語!!20fun!!

四條謎語:

1. I give things power.
I make them work.
Please choose me.
If you love the Earth,
Because I'm rechargeable.

2. People love me in winter.
They put me on
to keep themselves warm.
Oh,it shout be
to keep their hards warm.

3.I am the biggest in the sea.
I have never seen a tree.
Ican breathe through a hole in
the top of my head.
I am sad because many of my
friends are dead.

4.I have a tail.
I have something on my back just like
a snail.
I have no teeth.
I will enjoy a long life and good health
if no one tries to hunt me.