What atmospheric condition does Venus have that is similar to Earth?

Venus has a dense atmosphere, which is a significant atmospheric characteristic it shares with Earth in a broad sense, as both planets possess substantial atmospheres. However, while Earth's atmosphere supports life and is composed mainly of nitrogen and oxygen, Venus's atmosphere is composed largely of carbon dioxide, with clouds of sulfuric acid. This dense atmosphere creates extreme greenhouse effects, raising surface temperatures.

The thickness of Venus's atmosphere leads to high atmospheric pressure that is much greater than Earth's, contributing to its complex weather patterns and surface conditions. Thus, when considering the context of atmospheric density, Venus does indeed have a dense atmosphere, making it the correct response to the question posed.