My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

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?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

If eleven plus two equals one, what does nine plus five equal?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?