Question

closed and open systems
back into space. this constant energy exchange external environment is a crucial aspect of open influencing the earths climate and supporting
what characterizes the earth as an open system, especially in terms of energy?
the earth emits energy as sunlight into space and does not absorb any.
the earth receives energy from the sun as sunlight and releases energy as heat.
the earth absorbs energy from the sun as heat and does not release it.

Explanation:

An open - system exchanges energy with its surroundings. The Earth receives solar energy in the form of sunlight and releases energy back into space as heat. This energy exchange is what makes it an open system in terms of energy.

Answer:

The Earth receives energy from the Sun as sunlight and releases energy as heat.