Which of the following is an example of an abiotic factor?
al

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil