In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Global warming is one of the biggest environmental (1) _______ facing the world today. The primary cause of global warming is the (2) _______ of greenhouse gases such as carbon dioxide and methane into the atmosphere. These gases trap heat from the sun, causing the Earth's temperature to rise. The (3) _______ effects of global warming are widespread and include more frequent and severe weather events, rising sea levels and the loss of biodiversity. Many governments and organisations have implemented (4) _______ to reduce greenhouse gas emissions. However, individuals can also play a role in (5) _______ global warming by making small changes to their daily habits, such as reducing their energy consumption and driving less.
Select the most appropriate option to fill in blank no. 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Global warming is one of the biggest environmental (1) _______ facing the world today. The primary cause of global warming is the (2) _______ of greenhouse gases such as carbon dioxide and methane into the atmosphere. These gases trap heat from the sun, causing the Earth's temperature to rise. The (3) _______ effects of global warming are widespread and include more frequent and severe weather events, rising sea levels and the loss of biodiversity. Many governments and organisations have implemented (4) _______ to reduce greenhouse gas emissions. However, individuals can also play a role in (5) _______ global warming by making small changes to their daily habits, such as reducing their energy consumption and driving less.
Select the most appropriate option to fill in blank no. 5.