A drain cleaner consists of sodium hydroxide and aluminum. When the drain cleaner is added to water, bubbles of hydrogen are produced, and the solution becomes very hot. Which of these best describes what happens to form the bubbles when the cleaner is added to water? A. Chemical reaction

B. Condensation

C. Physical change

D. Evaporation

the solar system used to have much dust particles option no d

distance, luminosity, brightness, radius, chemical composition, and temperature

a polar bond is formed when electrons are shared unevenly between atoms

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.