No, they will not displace the same volume of water because both objects has same volume. The volume of water displaces if the volume of an object is increases while more mass has no effect on the volume of water. So if we put the two objects in water having same volume so it will not displace the volume of water if mass is increased.
Answer:the decline of lichens is an important indicator of an imbalance in the ecosystem. this research can help system ecologists predict how pollution will affect the entire ecosystem
