Environmental Science > AQA QUESTION and MARK SCHEMES > Southern New Hampshire University ( ENV -201 ) Environmental Science (All)

Southern New Hampshire University ( ENV -201 ) Environmental Science

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Which of the following statements about human impact on the environment is true?  Most environmental issues are separate issues and do not affect one another.  Pesticides and fertilizer use... permanently destroy the soil.  Urban development is less damaging to the environment than agriculture.  All environmental issues are worsened by a growing population. CONCEPT Human Impacts & Solutions 2 Efforts to address the amount of water used by humans are part of the sustainability movement. Choose the item that is NOT a goal for sustaining water on Earth.  Limit the amount of available water  Find new ways to store water  Convert sea water into fresh water  Harvest rainwater CONCEPT Sustainability and Solutions 3 The largest source of global greenhouse gas emissions is electricity and heat production, followed by industry. Of the remaining sources listed below, which produces the least amount of greenhouse gases?  Water and wastewater  Forestry  Agriculture  Transportation CONCEPT Causes of Climate Change 4 Throughout Earth’s history, there have been warmer periods and colder periods. These temperature changes have had significant impacts on the planet. Choose the statement below that best describes the difference between historical temperature changes and current temperature changes.  Historical temperature changes were abrupt while current changes have been very gradual.  In the past, temperature change was attributed to changes in the atmosphere, while today much of it is attributed to the sun’s waning energy output.  Current warming of the planet is occurring faster than any other known temperature increase.  Current temperatures have been steadily rising for the last 250 years, and, historically, temperatures both rose and fell. [Show More]

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