Predators in the environment
Answer:
The answer is A. Invented SCUBA
Explanation:
- Emile Gagnan and Jacques Cousteau were engineers who invented the first SCUBA device, the Aqua-Lung.
- Gagnan's most important contribution to this discovery was his theory that a valve commonly used in gas generator engines would be useful in regulating air supply under water in varying pressures.
Answer:
Efferent/motor neuron
Explanation:
Efferent/ motor neuron synapse with an effector because efferent neuron is a nerve cell such as motor neuron that transmit electrical impulses o r information from the centre nervous system to the effector which then cause or lead to physiological changes or response to the body . The contain majorly of motor neurons or nerve fiber that send signals from the central nervous system(brain /spinal cord) to the effector neuron for changes that occur physically.
