A double covalent bond is created when O
two atoms share 1 pair of valence electrons.
O two atoms share bonds with four other atoms.
two atoms eat double mint gum
O two atoms share 2 pairs of valence electrons.

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

The biosphere of the earth is made up of what compound? organic or inorganic?

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.