I have branches, but no fruit, trunk or leaves. What am I?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

What does this Rebus Picture mean?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

How could a baby fall out of a twenty-story building onto the ground and live?

You see me once in June, twice in November, and not at all in May. What am I?