Airborne is the most common.
Okay First off what are the problems and what are the hardest ones?
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species
Answer:2000x
Explanation:The maximum resolution, or resolving power (the ability to distinguish two points) of a compound light microscope is 0.2 µm; maximum magnification is 2000x.
The answer is A. An organism living at the bottom of the ocean is used to a high pressure so they cannot study them as the lower pressure kills the organisms as they reach the surface.
