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Global Climate Change

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Biology
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Running head: GLOBAL CLIMATE CHANGE 1
Global Climate Change
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GLOBAL CLIMATE CHANGE 2
Global Climate Change
Question 1
The earth’s atmosphere contains greenhouse gases that regulate the amount of heat from the sun
on the planet. When the sun’s heat reaches the earth, some of it remains while the rest escapes to
space. Greenhouse gases absorb the heat, which warms the earth and assist it in supporting life
(NACAA, 2011). The greenhouse effect entails this natural phenomenon whereby greenhouse
gasses trap the sun's heat and help warm the earth and its atmosphere.
Question 2
Global warming is a phenomenon that entails rising atmospheric temperatures on the earth’s
surface, which arise from variations in the way that greenhouse gases trap heat from the sun
(NACAA, 2011). With an increase in the concentration of greenhouse gases in the atmosphere,
more heat remains trapped near the earth’s surface that leads to rising temperatures on the planet.
Question 3
The greenhouse effect is good for the planet because it maintains temperatures near the earth's
surface in levels that support life. Notably, a low concentration of greenhouse gases in the
atmosphere would allow more heat to escape to space, reducing the earth’s temperatures to levels
that cannot sustain life (NACAA, 2011). Conversely, a high concentration of the gases would
increase the planet’s temperatures to unsustainable levels. Therefore, the greenhouse effect helps
maintain the earth’s temperatures in levels that can sustain life.
Question 4
Greenhouse gases have a key role in the rising temperatures and global climate change. Human
activities, including deforestation, land-use changes, and use of fossil fuels, emit greenhouse
gases to the atmosphere (NACAA, 2011). These activities have led to an increased concentration

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Running head: GLOBAL CLIMATE CHANGE Global Climate Change Student’s Name Institutional Affiliation 1 GLOBAL CLIMATE CHANGE 2 Global Climate Change Question 1 The earth’s atmosphere contains greenhouse gases that regulate the amount of heat from the sun on the planet. When the sun’s heat reaches the earth, some of it remains while the rest escapes to space. Greenhouse gases absorb the heat, which warms the earth and assist it in supporting life (NACAA, 2011). The greenhouse effect entails this natural phenomenon whereby greenhouse gasses trap the sun's heat and help warm the earth and its atmosphere. Question 2 Global warming is a phenomenon that entails rising atmospheric temperatures on the earth’s surface, which arise from variations in the way that greenhouse gases trap heat from the sun (NACAA, 2011). With an increase in the concentration of greenhouse gases in the atmosphere, more heat remains trapped near the earth’s surface that leads to rising temperatures on the planet. Question 3 The greenhouse effect is good for the planet because it maintains temperatures near the earth's surface in levels that support life. Notably, a low concentration of greenhouse gas ...
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