All of the Above
All of these tips will help make the test day go smoothly and increase the chance of you performing well. Making sure you've slept and eaten, and have water and a snack available to you will help you avoid being hungry or distracted/tired during the test. Having all forms completed will make signing in and out less stressful (one less thing to worry about!), and having a sweater will help you feel comfortable in case the room gets cold or warm.
A and D , A drought caused poor crop production and salinization of the soil occurred.
This isn't really a question at all.
It’s important because the more you develop good habits the better you would get at it and it at times will benefit you.