They use fans and air conditioning in the summer because its hot, which means they use energy and in the winter, there is no need because its cold so less energy.
It is the electron sharing.
electronegative element + electronegative element
exemple :
O₂ , H₂
hope this helps!
The job outlook for physical therapists<u> "will improve over time".</u>
Physical therapists, help harmed or sick individuals enhance their development and deal with their agony. These therapists are frequently an imperative piece of the restoration, treatment, and counteractive action of patients with unending conditions, ailments, or wounds.
Physical therapists commonly work in private workplaces and centers, clinics, patients' homes, and nursing homes. They invest quite a bit of their energy in their feet, effectively working with patients.
To calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons.
I believe the answer is "Bohr's model explains the chemical behavior of all atoms."