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1) A trait is a specific feature or characteristic, typically genetic.

2) One trait that helps an animal survive is a Chameleon's camouflage. Camouflage helps the chameleon blend in with their surroundings to avoid a predator or to sneak up on prey.

Explanation:

The speed of the laser light in the cable,

Explanation:

It is given that,

Wavelength of Argon laser,

Refractive index, n = 1.46

Let is the speed of the laser light in the cable. The speed of light in a medium is given by :

or

So, the speed of the laser light is . Hence, this is the required solution.