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.

Question: What part is written first when naming an ionic compound? Answer: cation
When naming an ionic compound, the cation is written first.

Question: Which gas is given off by plants? Answer: Oxygen
Oxygen gas is given off by plants.

Question: Which of the following provides the best evidence that Earth has evolved over geologic time? Answer: rock containing fossilized seashells found on a mountaintop

Rock containing fossilized seashells found on a mountaintop of the following provides the best evidence that earth has evolved over geologic time.