In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[Q]: Question: What is the term for a test to see if a scientific explanation is right or wrong? Answer: experiment
[A]: Experiment is the term for a test to see if a scientific explanation is right or wrong.


[Q]: Question: Over 90% of the energy we use comes originally from what? Answer: sun
[A]: Over 90% of the energy we use comes originally from the sun.


[Q]: Question: Which of these human activities in a forest has a positive effect on the ecosystem? Answer: Planting new trees where old ones were cut down
[A]:
Planting new trees where old ones were cut down of these human activities in a forest has a positive effect on the ecosystem.