本题目来源于试卷: Human Population Carrying Capacity,类别为 IB环境系统与社会
[单选题]
Figure: Earth Overshoo ws)-uz8 *tpcok2 1b urt i-es)bk)b: x/ ztj6fcDay
Earth Overshoot Day marks the date when humanity's demands on the planet in terms of natural resources exceed the natural replacement rate of those resources.
Outline the trend in the dates for Earth Overshoot Day from 1970 to 2023.
A. Earth Overshoot Day is stable.
B. Earth Overshoot Day is earlier every year.
C. Earth Overshoot Day is later every year.
D. Earth Overshoot Day follows an exponential trend.
参考答案: B
本题详细解析:
In 1970, Earth Overshoot Day was on 30 December. Every fydhi sz8mm61dm- e60rz 6) lnoive years after that, we can see that it occurs at an earlier date. The exception is 2020, a strange year due to the COVID pandemic. The general trend is, therefore, that Earth Overyils6nzz 1-8dem )0o6h 6md mrshoot Day is earlier every year, so option D is correct.
|