B. Geography is responsible for differences in prosperity.
Please correct me if I'm wrong!! :)
The similarities between Queen Elizabeth and Margaret Thatcher are:
(1) Both are one of the most influential women in the world.
(2) Both served their people well as Prime Minister (Thatcher) and Queen Elizabeth as the Queen.
(3) Both were very intelligent but with different styles and humor.
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The correct answer would be the second option. The correct plan for his experiment would be that the temperature, the type of limestone, and the type of acid are controls. The amount of acid and the amount of damage to the limestone are variables. To determine the degree of damage of the acid it would be best that the amount of acid is the manipulated variable while everything else are assumed constant.
Answer: Iron
Explanation: Two of the most imporant resources of Ancient Kush were iron and gold.