Answer:
I am a busy worker who is a water mammal.
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I have a neck and no head, two arms but no hands. I'm with you to school, I'm with you to work. What am I?
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
Which word is the odd one out: first second third fourth fifth sixth seventh eighth?
A little house full of meat, no door to go in and eat.