Answer the questions.

1.- What has change because of the Inernet?
It has revolulionized the way we live and work.
What will happen with the Internet?
We will be able to give instructions using speech.

2.- What has happened in Space exploration since 1969?
Neil Armstrong stepped out of the moon and made his famous statement:
that`s one small step for a man, one giant leap for mankind.

3.- What is the most noticeable result of better helth care?
the advances in health care.

4.-X= the number of people who traveled abroad in the nineteenth century. What does X also equal?
it is estimated that the total number of people who traveled abroad in the whole of the nineteenth, but I have no Idea how they figured this out.