1) What is meant by carbon footprint? a) It refes to the total amount of gases in the air b) Carbon footprint usually refers to the total carbon dioxide released to the atmosphere as a result of activities of individuals, events, organisations, communities or products used in daily life. c) The emission of gases which helps mankind to develop. d) It is the usage of gases in producing more oxygen to the air 2) State 3 factors that normally influence the impact of a product that is used in an individual’s daily life on environmental sustainability. a) release of greenhouse gases b) electrical energy c) water d) transport e) food and waste f) the green plants all around us 3) What is the difference between carbon footprint and carbon handprint of a product? a) Carbon footprint of a product refers to the negative impacts to the sustainability of the environment caused by the product throughout its life cycle while carbon handprint of a product refers to the positive impacts to the sustainability of the environment caused by the product throughout its life cycle. b) Carbon footprint is a is a good results while carbon handprint is not a good result c) carbon footprint uses wind energy while carbon handprint uses electrical energy d) carbon foot print is a onset project while carbon handprint is an offset project 4) What is upcycle? a) a wheel of the cycle will help the process b) It is a process where encourage human to use more carbon and release more greenhouse effect gases c) It is a reselling the carbon goods to the community d) Upcycle is a recycling process to produce new products of higher value than the original product. 5) What is the issue of microplastics that is associated with the food web? a) Microplastic is a plastic piece measuring less than 5 mm in length. It is hazardous if found in the body of aquatic organisms and can be transferred through various types of organisms until it ends up in humans through the food web. This transfer of microplastics in the food web becomes an issue which threatens human health. b) Emissions from burning fossil fuels like coal, natural gas, and oil to generate electricity and heat homes and buildings. c) While renewable energy sources like solar, wind, and hydroelectric power have a lower carbon footprint, the production and installation processes can still contribute to overall emissions. d) Emissions from the production of goods and materials, including the extraction of raw materials, processing, and transportation.

Chapter 3.1 Form 5 Science

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