"When a region experiences a significant drought, many animals may die from lack of water and food. [...] If tourism declines due to high wildlife casualties, then the locals
who depend on income from tourism will lose their livelihood. People may then turn to
farming to earn money, but crops require water to grow. This can place further strain on
the water supply and worsen the original problem of the drought."

2. In this paragraph, how does the word "when" help show a cause-and-effect
relationship?