If you say my name, I will no longer exist. What am I?

What does this rebus means ?

People make me, save me, change me, raise me. What am I?

What am I?

What Deficiency does the below rebus represent?

VIT_MIN

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Why do people go to bed?