Earth's systems
what is the envelope of gases surrounding the earth or another planet?
What is Atomsphere?
What is a human-made waterway that allows boats and ships to pass from one body of water to another?
What is Canal?
what lies above the earth's weather and mostly changes very little?
What is Stratosphere?
What is a structure that can hold back water, or other liquid material?
What is Dam?
What is the lowest layer of Earth's atmosphere?
What is Troposphere?
What is septic tank?
What is the highest layer of the atmosphere?
What is Mesosphere?