Science F5 Chapter 3 Sustainability of the Environment

Carbon footprint refers to the amount of _____ that are released into the atmosphere.

• carbon monoxide

• carbon dioxide

• carbon cycle

• carbon fiber

Human activities such as ________, ______, and ______ are examples of activities that effect the carbon footprint.

Please select the human activity that increasing the carbon handprint.

• use the material with low of carbon footprint

• use energy saving and environmental friendly electrical appliances

• release of greenhouse gases

• vehicle emission

• open burning

______ is the process that utilizing the product to create the new product.

• Recycle

• Upcycle

Burning the plastic releases carbon dioxide and toxic gases such as _____, ______, and dioxin which can _____our health.

To prevent open burning of plastic waste, burning is conducted inside an ______.

Apart from that, plastic waste can also be disposed of ______ that is burning the plastic waste at very high temperature between ______ degree celcius.

Plastic can be buried inside a specially located piece o land. However, pollution can be occur and can product very bad odour. Other type of contaminant could leach into the soil and pollute underground _________.

Plastic that break and decomposes in the sea will become ________. _______ are small plastic measuring between ______ mm to ____um.

The material which is discussed in Question 8 is dangerous to marine life because ________ and ________.

Small plastic particle can stay in the ocean for centuries and _______ the food chain inside ecosystem.