In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
The (1) _________ of climate change is one of the most pressing issues facing the world today. Rising temperatures, extreme weather events and melting ice caps are just a few of the (2) _________ of a changing climate. To combat this, many countries have pledged to reduce their greenhouse gas emissions, but progress has been slow. In addition, some people are still sceptical of the (3) _________ of climate change or believe that it's a natural occurrence that humans can't do much about. However, scientists agree that urgent action is needed to prevent the worst impacts of climate change. This includes not only reducing emissions but also adapting to the changes that have already (4) _________ . This might involve building sea walls to protect against rising sea levels, planting drought-resistant crops or developing new technologies to remove carbon from the atmosphere. Ultimately, addressing climate change will require a (5) _________ effort from individuals, governments and businesses around the world.
Select the most appropriate option to fill in blank no. 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
The (1) _________ of climate change is one of the most pressing issues facing the world today. Rising temperatures, extreme weather events and melting ice caps are just a few of the (2) _________ of a changing climate. To combat this, many countries have pledged to reduce their greenhouse gas emissions, but progress has been slow. In addition, some people are still sceptical of the (3) _________ of climate change or believe that it's a natural occurrence that humans can't do much about. However, scientists agree that urgent action is needed to prevent the worst impacts of climate change. This includes not only reducing emissions but also adapting to the changes that have already (4) _________ . This might involve building sea walls to protect against rising sea levels, planting drought-resistant crops or developing new technologies to remove carbon from the atmosphere. Ultimately, addressing climate change will require a (5) _________ effort from individuals, governments and businesses around the world.
Select the most appropriate option to fill in blank no. 3.