I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

How many times can you subtract the number 5 from 25?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

What month of the year has 28 days?

The more of this there is, the less you see. What is it?

I have no life, but I can die. What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?