How are the two bacterial kingdoms different from the four other kingdoms

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

Which law represents a balanced chemical equation?