Answer:
what is this question on tell me and i gotchu
Explanation:
It’s B. The farm’s opportunity cost for using fertilizer will increase
Sustainability in an environmental context implies that humans don't have a negative impact on the world. So any way that reduces human impact, such as recycling, is definitely a way to promote sustainability. The alternative to recycling is simply to throw it into the trash or litter, it's obvious which practice is preferable when regarding sustainability.
The United States, Canada, and Mexico...it is kind of hard to give any info, but they are all in the same hemisphere, and since they are near each other, trade is much easier than trading with other countries.
