A teacher asked her students how a cruise ship has such a large mass is able to float in the ocean?

Cruise ships may weigh hundreds of thousands of tons, but they're still some of the best floaters out there. Of water equal to their mass (the wide, U-shaped hull helps with this). But a boat actually has a lot of open space. After all, the ocean is massive—and extremely dense. All Consent Allowed.

the answer is minerals.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.