Answer:
1.Problems such as famine, drought and even war occurs due to scarcity.
2.We have to efficiently allocate resources. We have to do those things because resources are limited and cannot meet our own unlimited demands
Answer:
"unpredictable"
Explanation:
According to the information provided in the question we can say that all these conditions can be described as "unpredictable". This is because these conditions are ALWAYS different every single time you get behind the wheel of the car and hit the road. This makes it impossible for you to predict these conditions are what is going to happen once your on the road.
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