All of these are placental mammals except
a. porpoise.
b. mouse.
c. elephant.
d. opossum.

What did the first language sound like

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

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?