Answer:
The human central nervous system contains the brain, spinal cord, and retina. The peripheral nervous system consists of sensory neurons, clusters of neurons called ganglia, and nerves connecting them to each other and to the central nervous system.
Explanation:
False... because they can't be transported by gravity
If water had weak surface tension, insects would not be able to land on or walk on water.
Surface tension is the force acting on the surface of water that makes it to behave like a stretched elastic skin.
Surface tension owes to the intermolecular attraction between water molecules. The molecules at the surface of water are drawn inwards by other molecules causing the molecules at the surface to contract. This surface tension enables insects to land on or walk on water.
So, without surface tension of water, insects would not be able to land on or walk on water.
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