What are the correct order of steps on how a reflex occurs? a bone moves. a relay neuron sends a signal to a motor neuron. a muscle receives a signal to contract. a receptor detects a signal. a sensory neuron sends a signal to the spinal cord.

I believe this would be the correct order:

1) A receptor detects a signal.

2) A sensory neuron sends a signal to the spinal cord.

3) A relay neuron sends a signal to a motor neuron.

4) A muscle receives a signal to contract.

5) A bone moves.

A signal will be picked up by a sensory neuron and sent to the spinal cord (Central Nervous System). The signal will then be sent to a motor neuron in the Peripheral Nervous System to find a muscle. That muscle is signaled to contract which then will cause a bone to move.

i think its both a and b

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question