Let's Solve Some Riddles!

I am small and yellow, and I go "quack, quack." What am I?

I am a fruit that is red and round. People like to put me in pies. What am I?

I am a furry animal that likes to eat carrots. What am I?

I am a vehicle that has four wheels and can take you places. What am I?

I am a sweet treat that is brown and gooey. People like to put me in cookies. What am I?