Answer:
Similar: The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. ... The absorbed energy warms the atmosphere and the surface of the Earth.
Different: The glass in a greenhouse traps heat, while greenhouse gases in the atmosphere absorb and recycle heat.
Step-by-step explanation:
Hope I helped.