Which is a plan for the future of space exploration? a) build a space station b) astronauts visiting mars < - answerc) astronauts orbiting earth d) build a space observatory

Well if you look at the questions all of these are plans so im not exactly sure but the most valid answer ould be ( B )

Astronauts in the future are planning to expllre mars because they think that it is possiable for humans to live on the planet mars.

Hope this helps in some way have a great rest of your day :)

B. Astronauts visiting Mars

Explanation:

answer at the divergent plate boundary in the middle of the ocean;