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.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements