Plz help with these two questions.
will give the brainliest!!

Focal length of the lens increases hence the size of the lens increases.

3)B

4) B

Explanation:

3)Focal length of the lens increases hence the size of the lens increases.

Pupil of the eye decreases in size so as to decrease the amount of sunlight entering the eye when the person looks at the sky. As the size of the pupil was increased for increase the intake of the light while reading a book in the shade

4) Im not really sure, but i am pretty sure it's B. Don't take my word ;D

Hope this helps,

Best of Luck

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

most community's take hundreds of years to become stable