Choose the sentence which has the closest meaning to the original one.

Today there are more than 600 elephants in Addo Elephant National Park and you'd be very unlucky not to see some.

The fishing cats are on the list of endangered species; otherwise, people hunt too many of them.

The fishing cats are on the list of endangered species since people hunt too many of them.

The fishing cats are on the list of endangered species; by contrast, people hunt too many of them.

The fishing cats are on the list of endangered species; therefore, people hunt too many of them.

The forest fire destroyed thousands of trees, so it caused serious air pollution.

The forest fire not only destroyed thousands of trees but also caused serious air pollution.

Although the forest fire destroyed thousands of trees, it caused serious air pollution.

Because the forest fire caused serious air pollution, it destroyed thousands of trees.

The sick pangolin's life expectancy is expected to be longer as he has received medical support.

The pangolin is expected to be still sick although he has received longer medical support.

The pangolin is expected to receive medical support as he has been sick for a long time.

The sick pangolin is expected not to live longer even though he has received longer medical support.

Plastic waste is not biodegradable because it seriously harms marine ecosystems.

Plastic waste seriously harms marine ecosystems since it is not biodegradable.

Plastic waste is not biodegradable, so it seriously harms marine ecosystems.

Plastic waste seriously harms marine ecosystems, but it is biodegradable.

The thousand-year-old tree is not as big as the one in the national park.

The national park is the biggest one and is a thousand years old.

The biggest tree in the national park is a thousand-year-old one.

The national park has a big thousand-year-old tree.

Marakele National Park has a diverse exhibition of fauna and flora despite the fact that the weather is dry and wet.

Even if the climate is diverse, Marakele National Park offers a diverse exhibition of fauna and flora.

As a result of different types of climate, Marakele National Park is native to a diverse exhibition of fauna and flora.

Marakele National Park can be home to a diverse exhibition of fauna and flora if the weather is less arid and wetter.

Crabs and lobsters increase ocean acidification in the process of building their shells and skeletons.

Ocean acidification increases the number of creatures like crabs and lobsters who need carbonate ions to build their shells and skeletons.

Despite ocean acidification, fewer carbonate ions for creatures like crabs and lobsters to build their shells and skeletons are generated.

Ocean acidification is the reason for fewer carbonate ions available for creatures like crabs and lobsters to build their shells and skeletons.