ziyahoca
Öğrenci
Sally:
- What did you learn in school today?
Bob:
- Apparently, when the universe was only a few minutes old, the only element was hydrogen.
Sally:
- ----
Bob:
- Well, they were formed later.
A) How can scientists know that?
B) Do you know why?
C) Where did it come from?
D) Really? What about the other elements?
E) Thats amazing! What do you think?
- What did you learn in school today?
Bob:
- Apparently, when the universe was only a few minutes old, the only element was hydrogen.
Sally:
- ----
Bob:
- Well, they were formed later.
A) How can scientists know that?
B) Do you know why?
C) Where did it come from?
D) Really? What about the other elements?
E) Thats amazing! What do you think?