Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction? ОА. .
carbon + oxygen + carbon dioxide
ОВ.
carbon + oxygen carbon dioxide
Ос. .
carbon dioxide carbon + oxygen
OD carbon dioxide + carbon - Oxygen

What forms when chemical reactions combine pollution with sunlight?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this