Agroup of scientists wants to observe the adaptation of a foreign fish species in a river ecosystem. to do this, they want to enclose the top and sides of a section of a river to block light and matter from entering the area. evaluate whether this experimental system is an isolated system. justify your answer based on the definition of an isolated system.

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?