Please help me!! Mark as brainliest (however it’s spelled!!)

Answer:
The last choice is correct.
Explanation:
Hello there!
Think about what you know about droughts. What is lacking? Water!
So decreasing the amount of water is vital to drought simulation.
Have a great day!
P. S. There is no right way to spell "brainliest"! I feel your pain...:)
Answer:
D- The amount of water the plants get
Explanation:
Since Amy wants to model drought conditions, that means that she has to make an independent variable, which for this would be the amount of water. Taking away the water for the one or limiting the amount of water it gets would have the same affect as a drought would.