The answer would be conservative plate boundaries.
They occur where plates slide past each other in opposite directions, or in the same direction but at different speeds. Friction is eventually overcome and the plates slip past in a sudden movement. The shockwaves created produce an earthquake.
I hope this helped and is correct! :)
B.produce antibodies when triggered by antigens
Answer:
1.true2.true3.true
Explanation:
sorry not sure about this answer