What am I riddles for teens with simple answers

I am a five letter word and very strong. I become single when you remove two letters from me. What Am I?

Of no use to one, yet absolute bliss to two. The small boy gets it for nothing. The young man has to lie or work for it. The old man has to buy it. The baby's right, the lover's privilege, the hypocrite's mask. To the young girl, faith; To the married woman, hope; To the old maid, charity. What am I?

I have four legs and a tail. I have no teeth. I can swim and dive underwater. I carry my house around with me. I am a...

I live in lakes and rivers. I eat fish and birds. I have four legs and a long tail. I have lots of pretty teeth. I am a...

Wash it and it isn't clean. Don't wash it and then it's clean. What I Am?

I taste sweet and juicy. I smell fruity. I feel rough and wet. I look like a bumpy ball. What am I?

My skin is green and slippery. I have four legs and webbed feet. I eat bugs and little fish. I can swim under water and hop on land. I am a...

I have wings but I'm not a bird I am small and colorful. I live in gardens and fields and forests. I used to be a caterpillar. I am a...

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I eat insects. I live in the pond. I hop. I am green. What am I?