Earth can be considered as a closed system, since it only receives sunlight (energy), while the overall mass stays constant, without (almost) any exchange from space. Another example of a closed system is a saucepan or frying pan, on a stove, when its lid is closed.
Answer:
Dear mayor, it has come to my attention and the attention of many others that Central Park has an undeveloped city block. We as the people of New York think it would be good to convert it into a city park. We have already gotten people to sign a petition on switching it over to become a park. We understand if it is not in the budget, but we have all come together and decided to chip in or do a little fundraiser if that seems fit. Please consider turning it into a park for the better of the community. Your friends - the citizens of New York City
Explanation:
Answer:
3) The fact that rats that consume more sugar have higher body masses is not due to chance.
Explanation:
A diet high in added sugars, such as sweetened drinks, snacks, pastries and sugar cereals, is a factor that contributes in excess weight gain and medical problems, including obesity. It doesn't happen by chance as there is a direct correlation between them.
The scientific method is the process scientists use to gain knowledge about the physical world.
The Apalachee spoke the Apalachee language, a Muskogean language which became extinct. It was documented by Spanish settlers in letters written during the Spanish Colonial period. Around 1100 indigenous peoples began to cultivate crops. Agriculture was important in the area that became the Apalachee domain.
