According to the video, "handwashing and basic health considerations for the assessment process," complete perfection of positive health practices is expected in order to maintain a healthy environment. true or false

Hand washing is a good way to keep up an expected healthy environment but most of the times, those expectations don't have to be perfect so..

Your answer would be false.

light rays enter the eye through the cornea, the clear front first understand how the eye enables us to see, and what role the cornea plays in eye at different angles, and do not focus on one point the retina, but on many we can tolerate very large scars on our bodies with no concern except for our vanity.

hmmm

true, i think.

i checked and it seems the answer is, true.