The only true answer here is B. if you have a periodic table, you can see that Magnesium atomic number is 12 while Aluminium's is 13. this means Al has 1 more proton and weights more than magnesium since proton and neutrons contribute to the weights of the atoms.
MRNA because the DNA gets carried
The reason that the ship gets pulled on the whole time is because Both planets well Planet and moon have a gravitaional pull, without them they would collide with each other. Its common sense that if you closer to the moon the moon has a greater affect on your with its gravity, thats why you must be closer to the moon in order for the moon to pull you closer in! :) Hope this helps!
Answer:
protection, support, and muscle attachment
Explanation:
hope this helps!
If those are the optional answers, it's most likely sodium.