Final answer:
The correct answer is option c) Crops fail due to drought, but animals also die because their watering holes dry up. This option uses the conjunction 'but' to correctly connect the two sentences and show a contrast or contradiction between the impact of drought on crops and animals.
Step-by-step explanation:
The correct answer is option c) Crops fail due to drought, but animals also die because their watering holes dry up.
This option uses the conjunction "but" to correctly connect the two sentences. The conjunction "but" is used to show a contrast or contradiction between two ideas. In this case, it is used to contrast the impact of drought on crops and animals.