Discuss what age group you think has been most impacted by the restrictions/lifestyle changes that have been placed on society with the pandemic (face mask, social distancing, virtual communication, etc.) Support your answer and discuss how you personally are navigating the changes.

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.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?