<span>The 3 types are - sensory </span>neurons<span>, motor </span>neurons<span>, and interneurons.
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Sensory neurons<span> are nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical impulses
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A motor neuron is a nerve cell<span> whose cell body is located in the spinal cord and whose fiber projects outside the spinal cord to directly or indirectly control effector organs, mainly muscles and glands.
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Interneurons<span> create neural circuits, enabling communication between sensory or motor neurons and the central nervous system.</span>
The thermosphere hosts space shuttles and satellites!
I hope this helps!!
The correct answer is:
a. was completed in 2003
It was started in 1990, and run until 2003 (so we know that the first answer is correct and the second isn't). It provided a big amount of important information, but it' didn't allow anyone to alter their appearance, as this is not something that can be achieved via genetics.