Which of the phrases describe a chemical bond? Select all that apply. 1. attraction between an atom's electrons and its nucleus
2. sharing of electrons between atoms
3. attractive force between oppositely charged ions
4. interaction between two molecules in solution
5. attractive force between protons and neutrons

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

every el niño cycle is different. every year.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.