Explain how Botox works As a cosmetic procedure, Botox is injected in very small doses into specific facial muscles to reduce wrinkles. It is derived from a neurotoxin that prevents the release of ACh at the neuromuscular junction.

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?