Human Impact

Increase in which gas is primarily responsible for increased global warming?

• Carbon dioxide
• Water vapor
• Methane
• Nitric oxides

Tags

NGSS.MS-ESS3-5

What is the most dramatic result of deforestation?

• land is no longer green and full of life
• pictures from space show deforestation
• loss of habitat for approximately 70% of the worlds species
• people can't explore rainforests

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which human activity would preserve nonrenewable resources?

• deforestation
• removing carnivores from a forest 
• recycling
• heating homes with fossil fuels  

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

Which human activity is correctly paired with its likely future consequence?

• overfishing in the Atlantic — increase in supply of flounder and salmon as food for people 
• development of electric cars or hybrid vehicles — increased rate of global warming 
• use of fossil fuels — depletion of underground coal, oil, and natural gas supplies 
• genetically engineering animals — less food available to feed the world’s population

Tags

NGSS.MS-ESS3-4

Which of these is a "natural" event

• Deforestation

• Recycling

• Volcano erupting

• Building a dam to contain water

How do plants help the Carbon Cycle?

• They remove oxygen from the atmosphere

• They remove carbon from the atmosphere through photosynthesis

• They keep the carbon from being released

• They provide a route for carbon to move through the soil towards the ocean

Which of the following results when levels of CO₂ in the atmosphere increase due to fossil fuel burning?

• ecological succession 
• acid rain 
• ozone depletion
• global warming

Tags

NGSS.MS-ESS3-5

Pollution can cause harm to the ___________.  

• air
• land
• water
• all of the above

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

• X : Respiration
  Y : Predation
• X : Adaptation
  Y : Decomposition
• X : Fermentation
  Y : Nitrogen Fixation
• X : Decomposition
  Y : Respiration

Tags

NGSS.MS-LS2-3

When humans burn fossil fuels, most of the carbon quickly enters the _______________________ as carbon dioxide.

• Water

• Atmosphere

• Sun

• Ground