Explain how köppen’s climate system classified climates.

The mantle is made up of which structural zones?

What are two steps you would take to make your city or suburb a more sustainable place? why would these steps make your home more sustainable?

In shallow water at the beach, manuel saw an animal whose body was protected by hard plates. its body also had radial symmetry. the animal pumped water into its tube feet to move. which invertebrate group does this animal belong to? a. mollusks b. echinoderms c. sponges d arthropods