Classify the following items based on the type of polymer they are made from raincoats and leather shoes.

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere

What are the three different shapes or structures shapes or structure of carbon-based molecules?