I travel all around the world but always stay in the corner. What am I?

Spot 5 differences in two Christmas tree below:

I have feet, but no legs. Which animal Am I?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you count the number of matches in the picture below ?