Systems
three examples of mechanical/electrica/digital systems are
-Computer systems
-Lighting systems
-A sewing machine
Human body systems
-Circulatory system
-Nervous system
-Skeletal system
Social systems
-Social media
-Social structure
-Friends (?)
Natural systems
-Photosynthesis (?)
-Plant's water systems
-Weather
Yes I agree for all but Lightning systems??? What does that mean?
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