Contact, an electrical short, or dielectric breakdown can cause an electrostatic discharge, which is a sudden and momentary flow of electric current between two electrically charged objects. Static electricity discharge(ESD) can be generated by tribocharging or electrostatic induction.
The strap: When repairing electronic equipment, thisdevice grounds the user. It prevents electrostatic discharge (ESD) by directing static electricity away from the user and toward the ground. One end is typically wrapped around the wrist, while the other is attached to the frame of the device being worked on.
To know more about ESD, click here.
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External I think so yeah chech it out
Answer:Natural selection
Explanation:Natural selection is a concept based on Darwin's theory of evolution, according to this theory organisms who can best adapt to their ever changing environment are likely to survive and pass their strong genetic characters to the next generation. Those organism that finds it hard to adapt get eliminated and their characteristics dies out .
This is the reason we see an increased population of 4.1mm average wingspan mosquitoes whilst initially the population had 6.5 mm average wingspan.
"Small size enables greater chances of survival facing these predators"