Explanation

Pythagoras is considered the founder of the basic laws of geometry.

His work, particularly the Pythagorean theorem.

This laid foundational principles for the study of geometry.

Explanation

Aluminum, Gold, and Graphite are conductors.

1. Aluminum is a metal that conducts electricity and heat.
2. Gold is an excellent conductor of electricity and heat.
3. Graphite is a form of carbon that conducts electricity. 

Explanation

Explanation

Explanation

Grass carp require running water for breeding.

This environment is crucial for the successful spawning and development of their eggs.

As it helps maintain oxygen levels and water quality.

Explanation

The one-word substitution for "relating to colors" is chromatic.

It refers to anything associated with or involving colors.

Explanation

Crystal means شفاف

Opaque means غیر شفاف

Explanation

Cul de sac means dead end. 

A cul de sac refers to a street or passage with only one entrance, ending in a closed loop or dead end.

Explanation

Incognito means پوشیدگی

In disguise means بھیس ​​میں

Explanation

A male cat, when it is not neutered, is referred to as a Tom.

This term specifically designates an unneutered male cat, distinguishing it from neutered males and females.