The author mention outer space in the first paragraph because________. A. it is similar to the ocean floor in being alien to the human environment B. techniques used by scientists to explor

it is similar to the ocean floor in being alien to the human environment

techniques used by scientists to explore outer space were similar to those used in ocean exploration.

the Earth’s climate millions of years ago was similar to condition in outer space.

rock formations in outré space are similar to those found on the ocean floor