What is the ultimate source of energy of almost any terrestial (land) food chsin or food web ? what process converts this energy into a uasble form

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

What types of energy transfers and energy transportations are involved in the domino chain reaction?

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return