A group of related objects or parts that work together to form a whole. Ex: the planets that make up the solar system. The Earth system is all of the matter, energy, and processes within Earth’s boundary.
2. What are Earth's Four Systems? 地球的四个圈(quān)层(céng)
Atmosphere 大气(qì)层(céng) Is the layer of gases that surround Earth and includes oxygen, nitrogen, hydrogen and carbon dioxide.
Biosphere 生物圈(quān) Is the part of the system that contains all living things including all plants, animals and microscopic organisms that we cannot see.
Geosphere 地(dì)圈(quān) Contains not only rock and soil but also comprises the layers of Earth; The crust, mantle, outer, and inner cores.
Hydrosphere 水圈(quān) Is comprised of all of Earth's water. The importance of the hydrosphere is that the water cycle interacts with all of Earth's systems, sustaining life.
3. How Do Earth's Systems Interact? 四个圈层怎么样互(hù)相(xiāng)影(yǐng)响(xiǎng)?