The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change that must happen at the molecular level? O The molecules move more quickly and their average kinetic energy increases. O The molecules move more slowly and their average kinetic energy decreases O The molecules move more quickly and their average kinetic energy decreases. O The molecules move more slowly and their average kinetic energy increases.​

Explanation:

The molecules move more slowly and their average kinetic energy decreases

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

i believe the answer is three water molecules