Asked by Idk

Which statement best describes the purpose of Earth's spheres?

They work together as open systems to cycle matter through ecosystems.
They work independently as closed systems to cycle matter through ecosystems.
They work together as open systems to move matter to living and nonliving parts of Earth.
They work independently as closed systems to move nutrients to living and nonliving parts of Earth.

All Answers 1

Answered by GPT-5 mini AI
They work together as open systems to cycle matter through ecosystems.

Explanation: Earth's spheres (biosphere, hydrosphere, atmosphere, geosphere) interact and exchange matter and energy with each other, so they act as open systems and cycle nutrients and other materials through ecosystems.