Podcast
Questions and Answers
What is the main difference between electric vehicles and hybrid electric vehicles?
What is the main difference between electric vehicles and hybrid electric vehicles?
- Electric vehicles do not consume fossil fuels directly, while hybrid electric vehicles have an internal combustion engine (correct)
- Electric vehicles use energy stored in batteries, while hybrid electric vehicles only use fossil fuels.
- Hybrid electric vehicles have two sources of propulsion, including an electric motor and a solar panel.
- Hybrid electric vehicles have a higher fuel efficiency than electric vehicles.
What are carbon-based fuels made from?
What are carbon-based fuels made from?
- Materials that were once alive on Earth (correct)
- Non-living materials found on Earth
- Materials that are found in outer space
- Synthetic materials created in laboratories
What are carbohydrates?
What are carbohydrates?
- The building blocks of proteins
- The basic energy storage compounds in carbon-based biology (correct)
- The molecules responsible for genetic information
- The main components of cell membranes
What are the dangerous compounds created by burning carbon-based fuels?
What are the dangerous compounds created by burning carbon-based fuels?
What is the cause of climate change?
What is the cause of climate change?
What is the role of greenhouse gases in climate change?
What is the role of greenhouse gases in climate change?
What is the difference between ground-level ozone and upper-level ozone?
What is the difference between ground-level ozone and upper-level ozone?
What are volatile organic compounds (VOC)?
What are volatile organic compounds (VOC)?
What is the cause of skin cancer?
What is the cause of skin cancer?
What is the link between particulate matter found in diesel engine exhaust and health?
What is the link between particulate matter found in diesel engine exhaust and health?
What must be done to prevent climate change?
What must be done to prevent climate change?
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Study Notes
- Electric vehicles use energy stored in batteries and do not directly consume fossil fuels.
- Hybrid electric vehicles have two sources of propulsion, including an electric motor and an internal combustion engine.
- Carbon-based fuels are formed from materials that were once alive on Earth and are limited resources.
- Carbohydrates are the basic energy storage compounds in carbon-based biology.
- Burning carbon-based fuels creates dangerous compounds, including greenhouse gases and smog.
- Greenhouse gases absorb infrared radiation and trap heat in the atmosphere, causing climate change.
- Ground-level ozone caused by vehicle exhaust can cause health problems.
- Upper-level ozone in the atmosphere helps to block harmful ultraviolet rays from the sun.
- Volatile organic compounds (VOC) emitted by various products can cause health problems.
- UV radiation is divided into three designations based on its impact on living organisms, and its intensity varies depending on various factors.
- Skin cancer is caused by severe sunburn, often in childhood.
- Unburned hydrocarbon emissions and oxides of nitrogen combine to generate ground-level ozone, which can cause respiratory problems.
- Particulate matter found in diesel engine exhaust is linked to respiratory disease and cancer.
- Acid rain, caused by gases in the atmosphere, can damage forests, fish, buildings, and roads.
- Total carbon footprint includes energy-related emissions and transport-related emissions.
- Burning gasoline in vehicles produces carbon dioxide, contributing to climate change.
- GHG must be reduced by 60% or CO2 must be stored underground to prevent climate change.
- Simple actions, such as turning off electrical devices and using carbon-footprint-friendly vehicles, can reduce contributions to climate change.
- Turning down central heating and water heating settings, checking central heating timer settings, and filling dishwashers and washing machines with full loads can save water and electricity.
- Defrosting freezers regularly and doing shopping in a single trip can also save electricity.
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