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Science Concepts and Evidence

Grade 12 · Building confidence · 8 questions · Version PG-1JIHJB-1SYL

1.

What is a carbon sink?A. A reservoir that absorbs more carbon than it releases B. The variety of life at genetic, species, and ecosystem levels C. A measure of resource demand and waste impact D. Action that reduces causes or severity of environmental change

2.

What is biodiversity?A. Thermal expansion and melting land ice B. A reservoir that absorbs more carbon than it releases C. The largest population an environment can sustain D. The variety of life at genetic, species, and ecosystem levels

3.

What drives sea-level rise?A. The variety of life at genetic, species, and ecosystem levels B. A measure of resource demand and waste impact C. A reservoir that absorbs more carbon than it releases D. Thermal expansion and melting land ice

4.

What is environmental justice?A. Action that reduces causes or severity of environmental change B. To cross-check reconstructions of past conditions C. The variety of life at genetic, species, and ecosystem levels D. Fair treatment and participation in environmental decisions

5.

What is carrying capacity?A. A reservoir that absorbs more carbon than it releases B. To cross-check reconstructions of past conditions C. The variety of life at genetic, species, and ecosystem levels D. The largest population an environment can sustain

6.

What is an ecological footprint?A. A reservoir that absorbs more carbon than it releases B. To cross-check reconstructions of past conditions C. The variety of life at genetic, species, and ecosystem levels D. A measure of resource demand and waste impact

7.

What is mitigation?A. To cross-check reconstructions of past conditions B. A reservoir that absorbs more carbon than it releases C. Thermal expansion and melting land ice D. Action that reduces causes or severity of environmental change

8.

Why use multiple climate proxies?A. To cross-check reconstructions of past conditions B. Fair treatment and participation in environmental decisions C. The variety of life at genetic, species, and ecosystem levels D. A measure of resource demand and waste impact

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 17
  1. What is a carbon sink?A reservoir that absorbs more carbon than it releases
  2. What is biodiversity?The variety of life at genetic, species, and ecosystem levels
  3. What drives sea-level rise?Thermal expansion and melting land ice
  4. What is environmental justice?Fair treatment and participation in environmental decisions
  5. What is carrying capacity?The largest population an environment can sustain
  6. What is an ecological footprint?A measure of resource demand and waste impact
  7. What is mitigation?Action that reduces causes or severity of environmental change
  8. Why use multiple climate proxies?To cross-check reconstructions of past conditions

Worked example

Read the direction, identify the assessed skill, solve or cite evidence, and check the response.

Common mistake

Using a memorized procedure without checking what the question asks.

Helpful hint

Name the standard skill before answering.