The correct answer is
venule.
Some chemicals increase the mutation rate, physical agents such as radiation also increase the mutation rate. There are viruses that are mutagens as well. Also, the number of mutations that an organism produce can also be phenotypically plastic.
Hope this helps. (This is the definition my bio teacher gave me.)
Chloroplasts stores and harvests needed in many substances for energy produced.
Answer:
Creo que es sudor
Explanation: No estoy seguro de no hablar español 99.9% posibilidad de que me equivoque (Usé google translate).
Because it repeats the same process over and over again.