Plz hurry it's !
this equation indicates that the reaction gives off heat. what is this type of reaction called? c3h8 +? o2 → 3co2 + 4h2o + heat a. synthesis reaction b. endothermic reaction c. exothermic reaction d. decomposition reaction

c.exothermic reactn as heat is released

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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both anaerobic and aerobic respiration use glucose (or other carbohydrates), proteins and lipids to produce atp and nadh. cell uses those energy molecules, obtained from food and   breaks them down during the chemical reactions of respiration. in anaerobic respiration, nadh is regenerated to nad+ by enzymes lactate dehydrogenase (lactate is produced, e.g. in muscle cells) or by alcohol dehydrogenase where ethanol is produced (alcohol fermentation), while in aerobic respiration, electrons from nadh are deposited in the mitochondria to regenerate nad+ (electron transport chain. anaerobic respiration produces 2 atp per molecule of glucose compared to aerobic respiration where about 38 atp molecules are produced.