Use evidence to explain how advancements in technology influenced cell theory.

Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.

What human activity increases beach erosion?

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n