a rainstorm lasting several weeks a drought lasting twelve months unusually low temperatures during the month of July unusually high temperatures during the month of January
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The marsh willow herb is a plant native to the northeastern United States. It grows best in damp habitats. Which of the following environmental changes would most likely cause a decrease in the marsh willow herb population in an area?
Possibilities:
- a rainstorm lasting several weeks
- a drought lasting twelve months
- unusually low temperatures during the month of July
- unusually high temperatures during the month of January

a drought lasting twelve months