How was the cleanup conducted? Explain how boom, dispersants, burn off, and any other techniques shown work

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols