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

✅ C. Nucleus

a: Molecule | b: Cell membrane | c: Nucleus | d: Electron shell Read more

✅ D. The Sun

a: Proxima Centauri | b: Polaris | c: Sirius | d: The Sun Read more

✅ B. Kidney

a: Stomach | b: Kidney | c: Spleen | d: Pancreas Read more

✅ C. infrared light

✅ B. Absorbing much of the Sun's harmful ultraviolet radiation

a: Blocking all visible light | b: Absorbing much of the Sun's harmful ultraviolet radiation | c: Producing Earth's gravity | d: Creating all rainfall Read more

✅ B. silk production

✅ B. The clearing or removal of forests

a: Planting a forest | b: The clearing or removal of forests | c: Cleaning a river | d: Recycling glass Read more

✅ B. Heart

a: Lung | b: Heart | c: Kidney | d: Liver Read more