Rate the following argument fragment on its writing, argument, and language skills:
Evidence: because it is often referred to as Earth's twin. It is the closest planet to Earth in terms of density and size. A difference would be a thick atmosphere. NASA's solution to the hostile conditions on the surface of Venus would allow scientists to float above the fray. Humans are curious of what Venus is like.

In paragraph 4, Venus could have once had oceans. It could have supported various forms of life just like Earth. Venus today still has some features that are analogous to those on Earth. It has a surface of rocky sediment and includes familiar features such as valleys, mountains, and craters.

Score: 1