Answer:
C
Explanation:
C because the graph goes to zero around x = 150
A
Cell which is the structure that form surface of trachea
Answer:
Chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat; such reactions are called exothermic. Reactions that require an input of heat to proceed may store some of that energy as chemical energy in newly formed bonds.
The answer is C an exothermic reaction because during a exothermic reaction light and heat are produced