I think the answer is 42kg m/s.
Answer:
spend time removing introduced species, which can mean physically weeding invasive plants or trapping invasive animals. ... Others work to reduce harvesting directly or to reduce the incidental catch of nontarget species.
True, try remembering that opposites attract! (north and north don't attract and south and south don't either, but north and south do!)
The amniotic eggs could overcome wastes and breathe underwater normally. this comes to them naturally as they body grows with time.
So the answer is B. Respiration.
The amniotic eggs also has structures for <em>respiration </em>and for storing waste.