Answer:
b and d
Explanation:
a. The Persians fought the Greeks, but lost.
b. Darius I and many other Persian leaders treated their subjects well and were very powerful
c. Persia was fine with letting its subject choose their religion
d. true.
Hm, this is not an easy question.
Generally the best way to prevent a nuclear disaster is not to have any weapons, so A would be a good option. But in the modern world, complete destruction of all weapons is not feasible, and people believe that since US and Russia limited their number of weapons, this is no longer such a big concern (option D, which is I think the best. Personally, however I faviour A as a solution to the problem of nuclear weapons).
The people that want to separate start to be called Patriots and the Britain king created unreasonable taxes
Hess's law allows you to find the net enthalpy of the magnesium combustion by adding the enthalpies of intermediate reactions. The <span>Hess's </span>Law<span> of Constant </span>Heat Summation states that<span> the total enthalpy change for the reaction is the sum of all changes</span> (no matter how many stages the reaction has).
