Consider the model of temperature regulation in humans. instead of an increase in temperature, as seen here, imagine that the human body temperature drops. how would this model most likely change in response to a drop in temperature? a) signals from the hypothalamus would stop. b) the blood vessels move up and down in the skin. c) vasodilation would be replaced by vasoconstriction. d) the vasodilation step in the model would include shivering.

i think the answer is 95 hope this

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

a bird that nests only in a particular tree species.

d. changes in climate and historical records

hope this