5 Most cosmic rays are stopped by the Earth's atmosphere. Men and women stay on the International Space
Station (ISS) for several months at a time.
a What is the main source of background radiation in the space station? Explain your answer.

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80