1. e) None of the above is necessarily true.
2.d) Without knowing the mass of the boat and the sack, we cannot tell.
1 Answer. 50% of the lunar surface is always illuminated by Sun
The guy that answered this is fake and he’s doing it for free points so
Just repost it and hope he doesn’t find it
Answer:
Na3P + <u>3</u>RbF -> <u>3</u>NaF + Rb3P
A.............,,,..,.,.,.,.,.,,,,,,,,,’