Use of lubricant
Use of ball bearers
Use of streamlined body
Use of graphite
The cornea is responsible of refraction light 1/3 in eye.
<h3>What is the function of the cornea?</h3>
In addition to the protective function, it plays a fundamental role in the formation of vision. Transparent, it works like a lens over the iris, focusing light from the pupil towards the retina.
Normally, the cornea and lens deflect (refract) incoming light rays, focusing them on the retina. The shape of the cornea is fixed, but the lens changes shape to focus on objects at different distances from the eye.
See more about cornea at brainly.com/question/2297282
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Use formula for Echo which is Velocity=2(Distance)/time so 343=2(150)/T 343T=300..T=300/343=0.9 seconds
Answer:
The name of the file is Floppy.
Explanation:
Given that,
The disk that BTK sent to the television station contained just one valid file.
We need to find the name of the file
According to given data,
The disk that BTK sent to the television station contained just one valid file.
This file is called floppy.
Floppy :
The floppy disk is storage disk. It is made of thin and flexible disk of magnetic storage, It shape of square.
Floppy disk are read and written to by floppy drive.
Hence, The name of the file is Floppy.
