Q3 Human Impact Review

According to the pie chart, how much carbon dioxide emissions come from transportation?

• 7.9%
• 25.9%
• 13.1%
• 19.4%

Using fewer wood products, buying used homes, and recycling paper are alternatives to 

• factories
• transportation
• solar panels
• deforestation

Define deforestation

• The cutting down & removal of all or most of the trees in a forested area.
  
• A broadleaf evergreen forest that is found in hot regions, receives a lot of rain and that has very tall trees.
  
• The act or process of damaging or ruining something.  To treat poorly or w/out respect.

How does plastic effect sea life?

• Microplastics create dead zones in the oceans.

• Plastics provide habitats for marine life.

• Wildlife such as dolphins, seals and seabirds often eat plastic, mistaking it for food.

• None of the above

What is the best explanation for the rise in atmospheric CO² levels since the 1800's?

• natural fluctuations of the climate

• eruptions of large volcanoes

• increased use of fossil fuels by humans

• photosynthesis by algae

Sustainability is...

• how much of a resource that can be used

• using up of a resource

• making a resource last

• reusing a resource

How can the planting of new trees help reduce climate change?

• Trees help create breezes.
• Trees release moisture that cools the atmosphere.
• Trees take in carbon dioxide from the atmosphere during photosynthesis.
• Trees block the release of greenhouse gases from soil.

One of the ways we increase the amount of carbon dioxide is

• use less fossil fuels
• use alternative energy sources
• remove trees
• plant GMO crops

What type of succession starts with bare rock?

• primary succession
• secondary succession

What type of succession starts with soil?

• primary succession
• secondary succession