Which indicates the energy that must be absorbed to initiate the reaction? C A E D

C

Explanation:

oxygen, selenium, tellurium, and polonium.

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

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.