Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[EX Q]: Question: What type of generations do plants alternate between during a life cycle? Answer: haploid and diploid
[EX A]: All plants have a life cycle that alternates between haploid and diploid generations. Plants vary in terms of which generation is dominant. Most modern plants have a dominant diploid generation.

[EX Q]: Question: What are prokaryotic cells filled with? Answer: cytoplasm
[EX A]: cytoplasm. Like all other cells, prokaryotic cells are filled with cytoplasm. It includes watery cytosol and other structures.

[EX Q]: Question: Because they have free electrons, metals are able to conduct what? Answer: electricity
[EX A]:
Metals can conduct electricity because they have free electrons.