Answer:
92.9 cm squared
Explanation:
The surface area of a cylinder is denoted by:
, where r is the radius and h is the height.
Here, we know the diameter is 3.4 cm, so the radius, which is half the diameter, is r = 3.4 / 2 = 1.7 cm. The height is 7. Plug these in:


29.58π ≈ 92.9 cm squared
Answer: D. Salt
Explanation:
Zone 2 has a large amount of ocean in it and ocean water is salty which means that it can be harnessed to produce salt. Zone 2 therefore was most probably a major producer of salt.
This goes hand in hand with actual statistics today because a major country in Zone 2 is India and they are currently the world's third largest salt producers.
Robert Oppenheimer was a exiled German scientist that helped the US develop the first atomic bomb
Your answer is C
hope this helps
I believe the answer is B.krishna