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: Alkaline earth metals are what color? Answer: silvery grey
[A]: Alkaline earth metals are silvery grey color.


[Q]: Question: What do craters and rifts become when the fill with water? Answer: lakes
[A]: Craters and rifts become lakes when they fill with water.


[Q]: Question: Found in many products, such as petri dishes, agar is made from mucilagnious material in this? Answer: seaweed
[A]:
Found in many products, such as petri dishes, agar is made from mucilagnious material in this?