Messages sent by the brain to the endocrine system pass O A. from neurons to neuroendocrine cells via neurotransmitters
B. from neuroendocrine cells to neurons via hormones
C. from neuroendocrine cells to glands via action potentials
O D. from neurons to neuroendocrine cells via action potentials

The energy of blowing wind can be harnessed to create electricity. why is wind considered a renewable energy source? a) wind does not cause destruction of the environment.b) wind turns the blades of a windmill that creates electricity.c) wind provides only a very small amount of electricity to the united states.d) wind comes from atmospheric conditions that are available indefinitely.

What type of competition exsist between two species. turtles and fish

Which direction does the energy flow in this energy pyramid ?