To substances that are bonded together but can be taken apart
Answer:
The Ray- Finned Fish has a bony skeleton just like crocodiles. Crocodiles evolved more and adapted to their environment. Along the way Crocodiles grew to have four limbs, were born from an amniotic egg, and then their eggs also have shells, unlike the Ray-finned fish. Therefore the three characteristics they do NOT have in common are: Four Limbs, Amniotic Egg, and Eggs with Shells. The one trait they do have in common is Bony Skeletons. They also both have vertebrae.
Answer: A.They contain plants that purify water.
Answer:
Plate Boundaries
Explanation:
Puerto Rico might be on a plate boundary. When two plates slide against each other (also called a transform boundary) they can cause a earthquake to happen on the surface.
Antibiotics germs killed immune system in the human body
