Fill in the blank with the correct form of the given word in bracket.
1.Is there any………………. for the existence of a different life on other planets? ((possible))
2.It is always interesting to imagine the ………………. of an alien. ((appear))
3. Advances in space ………………. have helped us discover interesting facts about the planets in the orbit. ((explore))
4.No other body in the solar system attracts as much ………………. attention as this strange-looking moon. ((science))
5.I think that ………………. in that planet don’t need water to maintain their life. ((inhabit))