Answer:
(C) to show that atoms are conserved in chemical reactions
First bacteria act as a nitrogen fix
second bacteria act as decomposers
third bacteria act as a catalyst
MOTOR neurons control voluntary or involuntary responses of the body.
Motor neurons are nerve cells located in the spinal cord. Its axon projects outside the spinal cord to directly or indirectly control effector organs like muscles and glands.
Types of neurons according to what they detect.
1) chemoreceptors - detects chemicals
2) mechanoreceptors - detects touch
3) olfactory receptors - detects smell
4) photoreceptors - detects light
5) thermoreceptors - detects temperature
What are you asking, if you tell me, I might be able to help.
