Answer:
The Great Wall of China is one of the most famous landmarks in the world. The Great Wall is made up of many different walls and fortifications built over the course of more than two thousand years. The Great Wall is over 13,000 miles long.
Explanation:
All the other sentences seem a little off-topic. But the second sentence does it perfectly.
The change in temperature is greater when the water is heated with the use of the fire caught by the food substance, then the energy content in the food substance is higher because the heat energy is greater, since the heat energy is absorbed by the water when the fire is kept under the test tube containing water. The formula indicates that if the change in temperature is greater when the mass of the substances and the volume of water are constant, then the heat energy is higher.
The answer is C.during the civil war
