What is an example of reducing our ecological footprints?单项选择题

A

buying inorganic foods

B

incorporating adequate ventilation in houses

C

increasing meat consumption

D

decreasing mass transit use

E

using more energy-efficient refrigerators and dishwashers

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Required information Skip to question Working with Graphs Graphs are one of the most common and important ways scientists communicate their results. Learning to understand graphing techniques—the language of graphs—will help you better understand this book. Graphs are visual presentations of data that help us identify trends and understand relationships. We could present a table of numbers, but most of us have difficulty seeing a pattern in a large field of numbers. In a graph, we can quickly and easily see trends and relationships. Below is a graph showing ecological footprints. Often we pass quickly over graphs like these that appear in text, but it’s rewarding to investigate them more closely, because their relationships can raise interesting questions. Answer the numbered questions below to make sure you understand graphs and graphing. First make sure you know the parts of a graph. Usually there is a horizontal axis (also known as the “X-axis”) and a vertical axis (the “Y-axis”). Usually, there is a dependent variable (Y) that changes in response to an independent variable (X). In this case ecological footprint (Y) varies among countries (X). The questions below are where you should start any time you look at a new graph. For a full discussion of ecological footprints and the many components that contribute to its calculation and to calculate your own footprint, visit the Global Footprint Network (opens in a new tab). "The horizontal axis represents countries, while the vertical axis represents ecological footprint ranging from 0 through 12 in increments of 2.The data is as follows:Top 10:Qatar: Carbon emissions: 8.4; Cropland: 1.1; grazing land: 1.5; forest: 0.2; fishing ground: 0.4; and built-up land: 0.2.Kuwait:Carbon emissions: 7.8; Cropland: 8.3; grazing land: 0.7; forest: 0.3; fishing ground: 0.3; and built-up land: 0.2.United Arab Emirates:Carbon emissions: 5.9; Cropland: 0.5; grazing land: 1.4; forest: 0.4; fishing ground: 0.3; and built-up land: 0.1.Denmark:Carbon emissions: 2.4; Cropland: 2.9; grazing land: 0.7; forest: 1.2; fishing ground: 0.7; and built-up land: 0.2.United States of America: Carbon emissions: 5; Cropland: 0.9; grazing land: 0.2; forest: 1; fishing ground: 0.1; and built-up land: 0.1.Belgium:Carbon emissions: 3.2; Cropland: 1.8; grazing land: 0.9; forest: 0.4; fishing ground: 0.2; and built-up land: 0.3.Australia:Carbon emissions: 2.6; Cropland: 1.6; grazing land: 1; forest: 0.8; fishing ground: 0.1; and built-up land: 0.1.Canada:Carbon emissions: 3.7; Cropland: 1.3; grazing land: 0.3; forest: 0.4; fishing ground: 0.1; and built-up land: 0.1.Netherlands:Carbon emissions: 3; Cropland: 1.3; grazing land: 1.2; forest: 0.5; fishing ground: 0.1; and built-up land: 0.1.Ireland:Carbon emissions: 3.8; Cropland: 1.2; grazing land: 0.2; forest: 0.3; fishing ground: 0.1; and built-up land: 0.1.Bottom 10:Congo:Cropland: 0.2; grazing land: 0.4; and built-up land: 0.1.Nepal:Carbon emissions: 0.1; Cropland: 0.3; forest: 0.1; and built-up land: 0.1.Pakistan:Carbon emissions: 0.2; Cropland: 0.2; forest: 0.1; and built-up land: 0.1.Rwanda:Carbon emissions: 0.1; Cropland: 0.3; forest: 0.1; and built-up land: 0.1.Eritrea:Cropland: 0.2; grazing land: 0.2; forest land: 0.2; fishing ground: 0.1; and built-up land: 0.1.Bangladesh:Carbon emissions: 0.2; Cropland: 0.2; forest: 0.1; fishing ground: 0.1; and built-up land: 0.1.Haiti:Carbon emissions: 0.1; Cropland: 0.1; forest: 0.1; and built-up land: 0.1.Afghanistan:Cropland: 0.2; grazing land: 0.2; and built-up land: 0.1.Timor-Leste:Carbon emissions: 0.1; Cropland: 0.2; forest: 0.1; and built-up land: 0.1.Palestinian territory:Carbon emissions: 0.1; Cropland: 0.2; and forest: 0.1.Note: All data is approximate." For the United States, what is the total footprint per person?

Question at position 24 Ecological overshoot means thatOur ecological footprint is greater than natural capitalOur carrying capacity exceeds our ecological footprintOur carrying capacity exceeds our natural capitalOur ecological footprint is greater than our carrying capacityOur ecological footprint is greater than ecological overshoot

Question at position 24 Ecological overshoot means thatOur ecological footprint is greater than natural capitalOur carrying capacity exceeds our ecological footprintOur carrying capacity exceeds our natural capitalOur ecological footprint is greater than ecological overshootOur ecological footprint is greater than our carrying capacity

Question at position 24 Ecological overshoot means thatOur carrying capacity exceeds our natural capitalOur carrying capacity exceeds our ecological footprintOur ecological footprint is greater than our carrying capacityOur ecological footprint is greater than ecological overshootOur ecological footprint is greater than natural capital

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