In the search for alien life, astronomers have recently begun studying a promising region, a solar system that is populated by a number of potentially life-friendly planets formed by fragments of an exploding star some 7 million years ago and features many of the geological and climatic prerequisites for the evolution of life.
a) features
b) featured
c) had featured
d) featuring
e) feature![]()
a) features
b) featured
c) had featured
d) featuring
e) feature