What do you consider to be Louisiana's most important resource? why

ASAP BEFORE 5am

Louisiana's most important resource is salt because they're the United States biggest producer.  

Explanation:

You could also say Louisiana's fertile soil because there's around 30,000 farms in the state.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.