A, the earth system
The boundary would be the atmosphere, as energy cannot leave. No mass is shared between the rest of the universe and Earth
Fool's gold is Pyrite. Sulfur has a burnt smell.
Answer:
This is called a "negative feedback system".
Explanation:
Henry Purcell was the composer who wrote the first grand Baroque opera and basically popularized this new genre.
Bc they are only out for a limited amount of time
