Concepts: fossil, live, past, remain, trace
A: fossils preserved remains or traces of an organism that lived in the past .
Concepts: copy, sky, space, text
A: leaning tower on a bright sunny day with blue sky and copy space for text
Concepts: leave, subway, train
A: subway as a train gets ready to leave station
Concepts: elephant, reach, tree, trunk
A:
an elephant is reaching its trunk toward a tree