Digital devices, smartphones included, emit what we call the blue light. It has a wavelength between 380 to 470 nm. This is the only light that can penetrate the retina of the eyes. Hence, prolonged exposure to blue light, especially during at night, will cause damage to the retina resulting to sleep disorders or worst, cataracts.
In 1920, American voters elected a President who promised <u>to increase the U.S. role in world affairs.</u>
Answer:
the movie is called the giver
Explanation:
He begins to question why the community has gotten rid of certain things that bring such joy and sense of completeness (like grandparents, family, and love). His conversation with The Giver also shows that he is beginning to doubt the rationale argument for why the community made these choices
Answer:
Mexico
Explanation:
if you look west of the hemisphere it will immediately tell you that on a map
-behave
-respect your parents
-be good to them