question: What sentence would provide a factual answer to this question: "It's June in Australia so I should make sure to wear"

answer: June is during the winter in the southern hemisphere

question: What sentence would provide a factual answer to this question: "Weather is getting a little more chilly, so a flock makes their way"

answer: An example of migration is birds flying south in the winter

question: What sentence would provide a factual answer to this question: "In order for crops to grow food safely, pesticides are used on them. When it floods, this causes what to be poisonous?"

answer:
crop rotation renews soil