Describe what convection currents are in detail.

Convection is a form of heat transfer.Convection currents uses mass motion to transfer heat. It moves free-moving particles of fluid (or gas)from one place to another. The process happens because of difference occurring in temperature between the two parts of fluid. The temperature difference causes the hot fluids to rise and the cold fluids to sink, creating a current.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

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.