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.
The country has committed to implementing actions to reduce greenhouse gas emissions by 43% by 2030, in comparison to 2005 levels. To achieve this target, Brazil intends to adopt measures that include, among others: Raising the share of renewable sources (wind and solar power) in the country's energy mix to 45%
The milky halo is an outer region of the milky way and is an extended spherical component of the galaxy that forms beyond the visible components and is found in the stellar halo, the corona, and has dark matter.
The formation of the stellar halos occurs due to increased gravity and the presence of the primordial black holes. This halo consists of the vast majority of the mass of the galaxy and includes the globular clusters.
