A. have you met my friend nancy yet?
B. yes we attended this university five years ago.
A.have they left for their holiday yet?
B. yes they flew to rome this morning.
A. I haven’t spoken to jamie for ages.
B. i saw him last week at a concert.
A.Our team won the game on Sunday.
B.Great! how long has it been since you last beat Leeds?
Answer:
Scientific,
Explanation:
If the experiments aren't based on science they could easily be changed and get incorrect results.
The answer would be the third choice
