How can recycling reduce pollution?
Recycling reduces the air pollution caused by with burning fossil fuels such as coal, natural gas, and oil, which contributes to the largest amount of energy generated.
What causes pollution?
Co2 emitted from cars and factories
What is environmental life cycle?
a method used to evaluate the environmental impact of a product through its life cycle
Global warming has been linked to a decrease in
the size of the polar ice caps
On a global scale, rapid population growth can harm the environment.
true
WHAT IS RECYCLING?
Collecting and using materials to make something new
Is Pollution is changing the natural cycle of earth? True or False
True
What are the 5 stages of the life cycle assessment?
materiel extraction, manufacturing. packaging and transportation
Which human activity would preserve nonrenewable resources?
recycling
One major cause of population growth is a falling death rate.
true
Peter is turning a piece of old clothing into a fashionable bag. Which of the 3Rs is he practising?
Reusing
What are the two main causes of air pollution?
manmade and natural resources
What is life cycle environmental impacts?
raw material extraction through transport, manufacturing and use all the way to their end of life.
Continued depletion of the ozone layer will most likely result in
an increase in skin cancer among humans
If a country has a population of 6 million in 2015, 9 million in 2025, and 12 million in 2035, then what is the doubling time for that country's population?
20 years
What is it called when manufacturers take trash and turn it into new products?
Recycling
What are the three major gases found in air?
Oxygen, argon, nitrogen
What stages do life cycles include?
product development, market introduction, growth, maturity, and decline/stability
The acidity of a local stream would most likely be affected by
a new source of air pollution
Which of the following describes areas with large, fast-growing populations?
Disease can spread quickly.
What is recycling all about?
taking something old and turning it into something new
How many layers can the Earth's Atmosphere be divided into?
5
Why is life cycle important?
an organism goes through physical changes that allow it to reach adulthood and produce new organisms
Increased industrialization will most likely
decrease available habitats
What is the main reason people choose to settle in one area and not in another?
They want to live close to friends and family.