Shared Unit 1.4 Review 23-24

Front

What is the benefit of wind energy compared to fossil fuels?

Back

Wind energy is a clean alternative to fossil fuels, reducing pollution and greenhouse gas emissions.

Front

What must be considered when making decisions about alternative energy sources?

Back

Decisions must be made by weighing the risks and costs against the benefits.

Front

Define renewable resources.

Back

Resources that can replenish themselves over time.

Front

What are Genetically Modified Organisms (GMOs)?

Back

Organisms whose DNA has been engineered to exhibit desired traits, such as cold resistance in tomatoes.

Front

What is the environmental impact of deforestation by burning?

Back

It releases CO2 while decreasing oxygen, disrupting ecological cycles.

Front

What is the likely effect of some countries continuing to hunt whales commercially?

Back

Whale populations will not recover as fast as they would if hunting was completely banned.

Front

What is the significance of weighing risks and benefits in energy production?

Back

It helps in making informed decisions that balance environmental impact and energy needs.

Front

How do renewable resources differ from non-renewable resources?

Back

Renewable resources can replenish naturally, while non-renewable resources are finite.

Front

What is the role of technology in modifying organisms?

Back

Technology allows for genetic engineering to enhance traits in organisms, such as resistance to diseases.

Front

Explain the term 'double whammy' in the context of environmental issues.

Back

It refers to two negative impacts occurring simultaneously, such as CO2 release and oxygen depletion from burning forests.