AcDec 24-25 Social Science Section 1

Front

What does the section "Humans in the Holocene" offer?

Back

A global perspective on human life during the years from the end of the last ice age

Answer explanation

The section "Humans in the Holocene" provides a global perspective on human life after the last ice age, focusing on how societies evolved and adapted during this significant period, making it the correct choice.

Front

What does the section "Responding to the Climate Crisis" explain?

Back

How humans are causing climate change

Answer explanation

The section "Responding to the Climate Crisis" explains how human activities contribute to climate change, highlighting the impact of industrialization, deforestation, and greenhouse gas emissions.

Front

What does the term "Anthropocene" reference?

Back

The idea that current climate conditions have been influenced by human actions

Answer explanation

The term 'Anthropocene' refers to the current geological epoch, highlighting how human activities have significantly impacted the Earth's climate and environment, making the second answer choice correct.

Front

What are feedbacks in the context of climate change?

Back

Reactions to climate change caused by forcings

Answer explanation

Feedbacks in climate change refer to reactions that occur as a result of initial changes (forcings), such as increased temperatures leading to more greenhouse gas emissions. This makes the correct choice 'Reactions to climate change caused by forcings'.

Front

What is an example of a feedback mentioned in the text? Options: Melting of ice around the North Pole, Increase in volcanic eruptions, Decrease in solar radiation, Growth of rainforests

Back

Melting of ice around the North Pole

Answer explanation

The melting of ice around the North Pole is a feedback mechanism that contributes to climate change, as it reduces the Earth's albedo, leading to further warming. This makes it the correct example of feedback mentioned in the text.

Front

What is the greenhouse effect?

Back

A process where solar radiation is absorbed and re-emitted by greenhouse gases, warming the Earth.

Answer explanation

The greenhouse effect is a process where solar radiation is absorbed and re-emitted by greenhouse gases, which warms the Earth. This is essential for maintaining the planet's temperature and supporting life.

Front

What year is mentioned as the earliest for temperature records in Phoenix?

Back

1896

Answer explanation

The earliest year for temperature records in Phoenix is 1896, making it the correct choice among the options provided. The other years listed are not recognized as the start of official temperature records.

Front

What is the purpose of combining data from many individual places at specific moments in time?

Back

To understand climate trends over larger areas and longer timespans

Answer explanation

Combining data from many individual places helps to identify patterns and variations over larger areas and longer timespans, which is essential for understanding climate trends, making the correct choice.

Front

What type of records do scholars use to identify trends in the climate? Historical records, Instrumental records, Geological records, Oceanic records

Back

Instrumental records

Answer explanation

Scholars use instrumental records to identify climate trends as they provide precise measurements of temperature, precipitation, and other variables over time, allowing for detailed analysis of climate changes.

Front

What can the growth of a glacier suggest in narrative records?

Back

Declining temperatures

Answer explanation

The growth of a glacier indicates that temperatures are declining, as colder conditions allow glaciers to accumulate ice. Therefore, the correct choice is 'Declining temperatures'.