What is the segment of a dna chain that codes for all or parts of a trait

Genes

they are what tells your body whether you have freckles dimples long finger if your black or white or brown blonde hair brown hair

all of these are depicted by genes

 

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

The direction a chemical reaction occurs is represented by an arrow