Una bicicleta avanza con mru recorriendo 3 kilometros en 900 segundos con que rapidez avanza

It's because 3 if it was 10 it wouldn't look right do it goes up to 4d

Umm, its not your fault, and its because some things in your brain.

Biological effects of low exposure to radiation: damage cells.damage dna.are hard to detect.are repaired by the body.biological effects of high exposure to radiation: kill cells, tissues, and organs.produce a variety of cancers.result in acute radiation syndrome.