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

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

multiply it by 5 in order for you to understand i cant give an exact answer.