I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Who can jump higher than a Mountain?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

What is black when you buy it, red when you use it, and gray when you throw it away?

Prove that the below maths equation is true.

8 + 8 = 91

What has hands, but can’t clap?

What happened when the wheel was invented?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Until it is measured, not known. Yet how you miss it when it has gone. What is it?