Which part of a reflex arc connects the effector to the spinal cord?

the sensory neuron
the motor neuron
the receptor
the reflexor

i think it is the motor neuron, but i am not sure.

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

About how much of the cell mass is watet

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.