When a star becomes a singularity and has zero volume and infinite density, it is called_____?

✅ A. Earth is b/w the sun and the moon

✅ D. To keep the centre of gravity always vertically above the rope

✅ B. One tenth

✅ C. Chronic Liver disease

✅ C. Kalology

✅ B. Nuclear fusion

✅ A. Nicotine

✅ B. Nucleus