Fast

how are hormone levels regulated?

a) by nerve impulses
b) by a feedback loop
c) by sexual reproduction
d) by involuntary muscles

A.

Explanation:

Insulin causes blood glucose levels to drop, which signals the pancreas to stop producing insulin in a negative feedback loop.

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.