In a waterfall approach to international expansion,

a. firms enter countries gradually in a sequence

b. firms enter those countries first where the demand for the product is greatest

c. countries are entered based upon the availability of government subsidies

d. firms enter those countries first where the supply of raw material is greatest

e. countries are entered based upon ease of entry

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.'

3rd the reason why is because of management and leadership

since the options are not listed, when you are working on your budget you should also add water, tv, internet, miscellaneous and your 'fun' money for in your budget. when budgeting, you need to allow for fun money, and mis/accidental money so that you stick to the budget and not go crazy because you feel strapped to the budget.