Arunner stood at the hundred meter mark on a track. when the timer started, the runner sprinted north to the 200 m mark. it took the runner 25 seconds to get to the 200 m mark. what was the average velocity of the runner while he was sprinting?

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

substitution is the answer in this case

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.