The picture below shows lake jackson in florida

lake jackson has disappeared and reappeared about four times since 1907. it last disappeared in 1999. which of these most likely caused lake jackson to disappear?

select one:
a. opening of a sinkhole
b. pollution due to factories
c. high atmospheric temperature
d. absorption of water by the land

The reason why Lake Jackson disappeared is A. opening of a sinkhole.
Pollution, high atmospheric temperature, and absorption of water by the land aren't enough for an entire lake to disappear, however, a sinkhole may contribute to that. There are two major depressions (sinkholes) in this lake in Florida, and they even have their own names - Porter Sink and Lime Sink. 

B. convex since the words are bigger

It should be d if not then c