Amber is hardened <u>1. gum-like material from cone-bearing trees</u>.
<h2>Explanation:</h2>
Though it is sometimes confused with gemstone, amber is a hardened resin of fossilized trees which has been admired for its beauty since ancient times. It is used in jewelry and sometimes it is worn to alleviate aches and pains as it has healing properties according to folk medicinal practices.
It is classified into five classes according to chemical constituents of amber. It sometimes contains insect and animal remains because originally it existed as sticky tree resins. The largest deposits of amber is found in Europe in the Baltic area.
"1. moisture (water vapor) in the air near the surface 2. instability - relatively large decrease of air temperature with height 3. lift - some process (such as a front) that forces air to rise"
The air is dry during the summer and any moisture amount is increased in the afternoon as the temperature cools.
