If the demand curve for a good always has unitary price elasticity, what does this imp about consumer behavior? a) consumers do not react to a price change. b) consumers will spend a constant total amount on the good c) consumers are irrational d) consumers do not obey the law of demand.

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This tells us that consumers will spend a constant total amount on the good

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ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'

y=mx+b is the right slope of velocity carry the 4 over