General Science Questions

From the cornea, the light passes through the pupil. From there, it then hits the lens, the transparent structure inside the eye that focuses light rays onto the retina. The iris, or the colored part of your eye, regulates the amount of light passing through. 

The main source of organic matter in soil is the plant and animal tissue that decompose at each level of breakdown.

An enzyme speeds up a reaction by lowering the activation energy which is done by catalysts to increase the rate.

Short term side effects of alcohol and other drugs include forgetfulness, temporary blindness and disrupted sleep.

A constellation is a group of stars that forms an imaginary outline or pattern on the celestial sphere, typically representing an animal, mythological person or creature, a god, or an inanimate object. Stars may or may not be equidistant from the earth.

The skeleton of the Great White Shark is made up of cartilage and connective tissue. There are no bones in a white shark's body.

Plants developing in dry conditions are called as xerophytes.