The drift explanation states that the people with higher socio-economic status (SES) tend to have better lives. It further states that genetics and biology plays an important role in the socio-economic status so that healthier people can enjoy their SES for longer period of time.
Abiotic factors are the non-living factors in an environment such as temperature, light, water, and nutrients.
Material made in a nucleus made of DNA and other proteins is chromatin network
Well honestly, when someone turns the light in, your bodies automatic response is to close and cover your eyes.