Question

closed and open systems
the graphic is a grassland in africa. what best describes it?
an open system with regards to energy and matter
a closed system with regards to matter
a closed system with regards to energy

Explanation:

In an African grassland, energy from the sun enters the system for photosynthesis by plants. Matter such as water, carbon - dioxide, and nutrients are exchanged with the surroundings. So it is an open system for both energy and matter.

Answer:

an open system with regards to energy and matter