HELP PLS .. The half-life of potassium-44 is 22 minutes. It decays into calcium-44. After
2 answers:
You might be interested in
The correct answer (sample response) is:
The image seems to be behind the mirror, but nothing is really there.
Include the following in your response:
The image appears to be behind the mirror.
If someone looks behind the mirror, there is no image there.