Jupiter's moon _______________ appears to have a liquid-water ocean below its icy crust and may contain minerals as a source of raw material for chemical evolution.
Fill in the blank(s) with correct word
Question 2
A(n) _______________ can thrive in extreme conditions, such as ice-covered lakes in Antarctica, far underground inside solid rock, amongst the cinders of summits of extinct volcanoes, or in pools of acids.
Fill in the blank(s) with correct word