I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Can you find the key in the picture below?

Decode this picture on T-Shirt and tell what it says ?

How many triangles can you find in this given picture?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Remove two matchsticks to make the below equation correct.

What runs around the whole yard without moving?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den