1 5 Social Studies Writing Prompts Social studies can be a very fun subject if given the opportunity. 2  There are plenty of homework options that both bring the subject to life and allow for student creativity.
The cornea helps the eye focus as light makes its way through. It is a very important part of the eye, but you can hardly see it because it's made of clear tissue. Like clear glass, the cornea gives your eye a clear window to view the world through.
Cats can see quite well in light levels as little as 1/6 of what is required for humans to see well. They accomplish this largely via a tapetum lucidum, which reflects light passed through the retina back into the eye. They also have exceptionally large pupils for their body size. Cats also have some of the best hearing of any animal.