B.
Key word: slide
Think of sliding down a WATER slide.
Answer:
B
Explanation:
the structure is their serrated teeth & the function is tearing into their prey.
No choice given but the development of nuclear weapons could be considered a negative consequence of the application of scientific knowledge for example when it was used on Hiroshima and Nagasaki killing and wounding 100's of 1000's of people.
Cause waters wet so the acid from the water is not dry
