Acountry has reached a level of economic development where the manufacturing of both semidurable and nondurable consumer goods has just begun. also, the goods demanded relate to equipment and supplies to support manufacturing. in which stage of rostow's five-stage model of economic growth does the country fit?

Takeoff stage

Explanation: In Rostow's five-stage model of economic growth  states various factors of the required economic condition necessary for that  country to develop. One such stage is the takeoff stage. i.e.

Take-off stage states  

(a)In this particular period Urbanization will increases.

(b)Industrialization proceeds as technological progress will take place.

(c) Secondary sector expands .

It should be also duly noted that during this stage,Textiles and apparel are usually the first "take-off" industry .

Hence, a country  where the manufacturing of both semi durable and non durable consumer goods has just begun. Also, the goods demanded relate to equipment and supplies to support manufacturing has reached the takeoff stage in Rostow's five stage model of economic growth.

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.'

answer; the coefficient of determination;