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Lucianbaciu
a fost răspuns

Help Me!!!
Which of the sentences below do you agree witch?
1  If there is intelligent life on other planets,why hasn't anyone visited us?
2  There is no life on other planets. 
3  There is life on other planets but not necessarily people.
4  Scientist don't know everything.
                       Vreau si explicatie la raspuns in limba engleza!!
Persoanele care o sa raspunda sa de-a un raspuns coerent si fara google translate sau alte 
bazaconii :) .Va rog sinceritate!!