Answer:
the pen which is laying on the table that is yours?
Answer:
gages
Explanation:
please mark brainiest hope it works out for you
The rigid motion concept can be used to define congruency. Congruency is a relation between shapes or figures. One shape is congruent to another if, and only if, you can turn the one shape into the other with a rigid motion
Hope this helps, have a good day ;)
I'd say its B. able to develop self-contained ecosystems.
