Which of the following is an example of oxidation? a: when a pond freezes over. b: when cocoa mix dissolves in milk. c: when rust forms on a nail d: when heat and light is given off a burning log.

What reaction is taking place? 02 + c3h8 = h20 + co2

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles