Can happen through solids, liquids, gases, and vacuum. Please explain why is that answer? A. Radiation
B. Conduction

output?

explanation:

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2