How could a native species adapt to try and co-exist with your invader?

Why do oceanic plates tend to subduction when colliding with a continental plate

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

What was the impact of the concordat of worms?