What is the story ? There is no indication
Answer:
1st and 4th one, How do plants make food and How much rain falls in a rainforest each year.
Explanation:
"Impact" is an effect.
So "impact" of the death means: the effect that death has on something.
For example, you could say:
The Impact of the death of the Emperor was the loss of respect for the country from the neighboring countries.
or you could say:
The impact of the death of her mother on her was devastating.
