Amber is hardened:

bark-like material from cone-bearing trees

gumlike material from cone-bearing trees

needlelike material from cone-bearing trees

Amber is the fossilized resin from ancient forests.

Explanation:

Amber is not produced from tree sap, but rather from plant resin. This aromatic resin can drip from and ooze down trees, as well as fill internal fissures, trapping debris such as seeds, leaves, feathers and insects. so your answer is B