What evidence indicates that a chemical change took place when the iron and sulfur combined to form iron sulfide? A. The change is only temporary.
B. The elements can be separated with a magnet.
C. The change resulted in a new property.
OD. During the change, gases are released.

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin

Which label correctly identifies what x represents in the concept map?

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?