Why were the lacks es so upset when they first heard about HeLa cells?​

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Can someone i have no idea of how to do this.