Global Change

Question 1

What are some possible future changes in the global climate?

Revolt · Accepted Answer

Possible changes include continued global temperature rise, more frequent extreme weather events, rising sea levels, shifts in ecosystems, and altered precipitation patterns.

Question 2

Explain how scientists can have multiple theories about the effects of global warming.

Revolt · Accepted Answer

Scientists use different climate models and assumptions about feedback loops, making multiple plausible predictions about temperature rise, weather, and ecosystems possible.

Question 3

Explain how an increase of the annual melt season in Antarctica can have global effects.

Revolt · Accepted Answer

An increase in Antarctica's annual melt season adds freshwater to oceans, raising global sea levels which affects coastal regions worldwide and disrupts ocean currents.

Question 4

Explain how local environmental changes can have global effects.

Revolt · Accepted Answer

Local changes such as melting glaciers or regional deforestation can alter ocean salinity or atmospheric CO2, which propagates through global climate systems and affects distant regions.

Question 5

Which of the following predictions about global climate change is directly related to an increase in the burning of fossil fuels?a.increased extreme weatherb.decreased food supplyc.global warmingd.falling sea levels

Revolt · Accepted Answer

C

Question 6

The scientific community disagrees about _______.a.the rate of global climate changeb.the occurrence of global warmingc.the need for actiond.all of the above

Revolt · Accepted Answer

A

Question 7

Which of the following local environmental changes will not have global effects?a.decline of glacial ice in Russiab.an increase in the annual melt season in the Antarctic peninsulac.the early arrival of spring in New Hampshired.none of the above

Revolt · Accepted Answer

C

Global Change Answers

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