Choose all the answers that apply. Which of the following is true about the sun's radiation?

40 percent is reflected by the atmosphere.
It is long-wave.
60 percent reaches Earth's surface.
It is short-wave.
None of the rays are harmful.

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

Is this mrna or rna need need the answer in a hurry

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?