Keyboard words are not in alphabetical order, Why?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What can you see in the middle of March and April that you can never see in any other month?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

The more it dries, the wetter it becomes. Can you tell what it is?