Answer: I would say D. (or 4.)
Explanation: Because you start to get warm and sweaty at around 1 hour of exercise. And it reduces the risk of chronic diseases.
(Information found from https://www.cdc.gov physicalactivity, walking)
Carbon dioxide is added to the atmosphere by human activities. When hydrocarbon fuels (wood, coal, natural gas, gasoline, and oil) are burned, carbon dioxide is released.
basically all because of the coriolis effect Google it
Answer:
Vatican city.
Explanation:
Vatican city is an enclave located in the city of Rome, Italy.
The smallest country in the world is Vatican city also known as Holy See. It is measuring about 0.19 square miles in size and as such characterized by a very little population.
Basically, Vatican city is the central home of the catholic church and it does not have any permanent citizen. Therefore, citizenship is only granted to the people who work at the Vatican and it is revoked immediately they stop working there.
Additionally, the official language of the Vatican city is Italian and Latin.