When mucus collects in the tubes to the lungs it gives rise to an unpleasant rise. name this.

Which statements are true of a scientific theory but not a hypothesis

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

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?