instruction:
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:
Question: Alkaline earth metals are what color? Answer: silvery grey
answer:
Alkaline earth metals are silvery grey color.


question:
Question: What property is the result of the force of gravity being opposed by the normal force? Answer: weight
answer:
Weight is the result of the force of gravity being opposed by the normal force.


question:
Question: Which process is a cause of variation in a species? Answer: sexual reproduction
answer:

Sexual reproduction process is a cause of variation in a species.