Impact Human activities on environment

Wastes produced by agriculture, households, industry, mining, and other human activities can end up in ______________.

• groundwater
• streams and rivers
• oceans
• All of these choices

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

• Carbon dioxide
• Water vapor
• Methane
• Nitric oxides

Which has the least negative impact on wildlife habitat?

• agriculture
• development
• deforestation
• recreation

Less rainfall in an area and higher temperatures could lead to ____________.

• urbanization
• deforestation
• desertification
• higher pollution

What are some reasons deforestation occurs?

• clearing land for agriculture, ranching, and mining
• just wanting to destroy things
• Population moving from rural areas to cities
• to make room for infrastructure

Carbon is released into the atmosphere through all of the following ways except:

• respiration
• cow flatulence
• photosynthesis
• all of the above

Wind is a __________ energy resource.

• Renewable
• Nonrenewable

Which statement about the effects of natural events and human activities is true?

• The environment is not usually affected by natural events.

• All human activities change the environment in a negative way.

• Natural events always have a positive impact on the environment.

• Human activities and natural events can damage the environment.

Which effect of mining for resources most directly impacts the biosphere?

• releasing dust into the air

• increasing erosion of soil

• adding sediment to waterways

• degrading habitats for animals

Which example best describes how human activity can directly impact the geosphere?

• Poor farming practices can degrade the soil and cause erosion.

• Dumping waste from a factory into a river can pollute the water supply.

• Construction activities can release harmful dust and chemicals into the air.

• Removing too many fish from the ocean can cause a fish species to go extinct.