Question

1. what is an example of an open system? a sealed jar earths ecosystem an isolated system in space a closed terrarium

Explanation:

An open system exchanges matter and energy with its surroundings. A sealed jar, isolated system in space, and closed terrarium are closed or isolated (limit exchange). Earth’s ecosystem exchanges energy (e.g., solar) and matter (e.g., water, gases) with space and other systems, so it’s open.

Answer:

B. Earth's ecosystem